CN103011425B - Granular composite bottom treatment bacterium and preparation method thereof - Google Patents
Granular composite bottom treatment bacterium and preparation method thereof Download PDFInfo
- Publication number
- CN103011425B CN103011425B CN201210580635.4A CN201210580635A CN103011425B CN 103011425 B CN103011425 B CN 103011425B CN 201210580635 A CN201210580635 A CN 201210580635A CN 103011425 B CN103011425 B CN 103011425B
- Authority
- CN
- China
- Prior art keywords
- bacterium
- water
- kilograms
- digy
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention provides a granular composite bottom treatment bacterium and a preparation method thereof. The formula of the composite bottom treatment bacterium comprises the following components: 0.5-1.5% of photosynthetic bacterium flocculant, 0.1-1% of liquid Bacillus natto, 35-53% of bentonite, 35-53% of granular zeolite powder, 1-5% of attapulgite, 2-6% of sodium percarbonate, 0.5-1.5% of sodium dihydrogen phosphate and the balance of normal saline. The preparation method comprises the following steps: evenly sprinkling the photosynthetic bacterium flocculant and the liquid Bacillus natto on the zeolite powder, evenly mixing, adding the bentonite, and then mixing; evenly mixing the sodium percarbonate, the sodium dihydrogen phosphate and the attapulgite; and mixing the two mixtures obtained in the previous steps, adding the normal saline, sufficiently stirring and mixing, putting in a granulator, and granulating. According to the invention, the viable granular composite bottom treatment bacterium has a high survival rate, can quickly sink to the bottom after being directly sprinkled, has remarkable cracking effect when encountering water and is convenient to use; sludge at the bottom of a pool can be quickly decomposed and degraded into organic substances; harmful substances can be effectively adsorbed; the acidity of a water body can be reduced, the pH value of the water body can be stabilized, minor elements can be supplemented, and the transparency of the water body can be enhanced; and bottom sediments can be improved, and water can be purified.
Description
Technical field
The invention belongs to water body purification of aquaculture microbiological treatment technical field, relate to compound Digy bacterium of a kind of granule type and preparation method thereof.
Background technology
Sea, fresh water aquatic product animal raise seedling pond and growing pond, especially, at the bottom of pond, many mud pond, Chang Yin for many years mud does not clear up, and causes pond bed mud matter aging, and water quality blackout is smelly, causes the ponds such as fishes and shrimps to support aquatic animal death.
Summary of the invention
The object of this invention is to provide one and can improve fast redox potential and dissolved oxygen at the bottom of pond, mud at the bottom of decomposing pool, residual bait, ight soil, animals and plants corpse and organic debris at the bottom of degraded pond, the objectionable impurities such as ammonia nitrogen, nitrite, hydrogen sulfide, algae toxin at the bottom of can active adsorption pond, reduce water body acidity, stablize water pH value, trace element supplement, improves water transparency, reaches compound Digy bacterium of granule type of improvement substrate, the object that purifies water and preparation method thereof.
For achieving the above object, the present invention has adopted following technical scheme:
The compound Digy bacterium of a kind of granule type, wherein each component and weight percent are as follows:
Photosynthetic bacteria flocculant 0.5～1.5%, liquid natto genus bacillus 0.1～1%,
Wilkinite 35～53%, the particulate zeolites powder 35～53% of diameter 1-2mm, attapulgite 1～5%,
SPC-D 2～6%, SODIUM PHOSPHATE, MONOBASIC 0.5～1.5%, physiological saline surplus.
Described liquid natto genus bacillus, every ml is containing 10,000,000,000 of viable counts;
Described photosynthetic bacteria flocculant, every gram containing 50,000,000,000 of viable counts, thalline resurrection rate >95%.
A preparation method for the compound Digy bacterium of granule type, carries out as follows:
(1) the particulate zeolites powder that takes diameter 1-2mm by formula ratio is evenly spread out, the photosynthetic bacteria flocculant of formula ratio, liquid natto genus bacillus are evenly sprayed on the particulate zeolites powder of diameter 1-2mm, then above-mentioned raw materials is mixed, then the bentonite material that takes formula ratio mixes again with above-mentioned raw materials mixture;
(2) taking SPC-D raw material, biphosphate sodium raw materials, attapulgite raw material stirring by formula ratio mixes;
(3) by the first step gained mixture and second step gained mixture again hybrid reactor be put in a place; then last mixture is put into stirrer; add the physiological saline of formula ratio, be fully uniformly mixed and reach granulation requirement, finally put into nodulizer granulation.
The compound Digy bacterium of the above-mentioned granule type making is yellow-white particle; Active constituent content is: every gram containing probiotic bacterium 2 × 10
8individual.Be applicable to southern and northern all seas, fresh water aquatic product animal raise seedling pond and growing pond, especially the microorganism improvement at the bottom of pond, applicable many mud pond.
The usage of the compound Digy bacterium of above-mentioned granule type is: the direct dry method in full pond is evenly splashed.
The consumption of the compound Digy bacterium of above-mentioned granule type is:
1, put front use in a suitable place to breed after cleaning up the pond: the sterilization of the cleaning up the pond 10-20 centimetre that discharges water after 5 days, depending on aging conditions at the bottom of the pool, every mu with 500-1000 gram, the Direct Uniform Yu Tangdi that splashes.
2, in breeding process, use: look aging conditions at the bottom of the pool, every mu of consumption 250-500 gram.
Beneficial effect of the present invention:
The compound Digy bacterium of granule type of the present invention (trade(brand)name: grain grain bacterium) is by screening efficient water purification viable bacteria bacterial classification, the compound Digy bacterium of novel particle type that the materials such as the composite silicate by extremely strong ion adsorption capacity and quick-acting oxygenation agent form.This product is low-temp. extrusion mechanism granular preparation, and viable bacteria survival rate is high, directly splashes, and sinks to the bottom fast, meets water-splitting, and successful, uses very convenient.And can improve fast redox potential and dissolved oxygen at the bottom of pond, mud at the bottom of decomposing pool, residual bait, ight soil, animals and plants corpse and organic debris at the bottom of degraded pond, the objectionable impurities such as ammonia nitrogen, nitrite, hydrogen sulfide, algae toxin at the bottom of can active adsorption pond, reduce water body acidity, stablize water pH value, trace element supplement, improves water transparency, the object that reach improvement substrate, purifies water.
The compound Digy bacterium of granule type of the present invention has following effect:
1, increase dissolved oxygen: improve redox potential and dissolved oxygen at the bottom of pond, promote the amount reproduction of aerobic probiotic bacterium, suppress the growth of anaerobism harmful bacteria;
2, improvement substrate: residual bait, ight soil, animals and plants corpse and organic debris at the bottom of degraded pond;
3, purify water: the objectionable impurities such as ammonia nitrogen, nitrite, hydrogen sulfide, algae toxin at the bottom of active adsorption pond;
4, stablize water pH value, trace element supplement, keeps probiotic bacterium and planktonic organism proportional balancing method in water, suppresses the breeding growth of harmful algae;
5, improve water transparency, guarantee that hydroplankton is photosynthetic normally carries out.
The compound Digy bacterium of granule type of the present invention has following features:
1, this product is that machine is pressed granular preparation, and viable bacteria survival rate is high, directly sprinkles, easy to use.
2, this product has the feature of wide temperature, and under 10 ℃ of-40 ℃ of water temperatures, water purification viable bacteria all can growth and breeding.
3, this product strong adaptability, has stronger tolerance to chemical disinfection medicine, insecticidal materials and antibiotic etc.
4, this product adapts to the scope of water body pH6.0-10, is applicable to all kinds of aquaculture wateies.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but the invention is not restricted to these embodiments.
Embodiment 1
The compound Digy bacterium of a kind of granule type, formula following (producing 1000 kilograms of compound Digy bacterium desired raw materials): 10 kilograms of photosynthetic bacteria flocculants, 5 kilograms of liquid natto genus bacillus (10,000,000,000/ml), 430 kilograms of wilkinites, 440 kilograms, the particulate zeolites powder of diameter 1-2mm, 30 kilograms of attapulgites, 40 kilograms of SPC-D, 10 kilograms of SODIUM PHOSPHATE, MONOBASIC, 35 kilograms, physiological saline.
The preparation method of the compound Digy bacterium of above-mentioned granule type, carries out as follows:
(1) the particulate zeolites powder of diameter 1-2mm takes 440 kilograms and evenly makes thinner and be put on the ground, evenly be sprayed at respectively on diameter 1-2mm particulate zeolites powder raw material with 5 kilograms of 10 kilograms of the filling photosynthetic bacteria flocculant raw materials of watering pot, liquid natto genus bacillus (10,000,000,000/ml) raw material, then mix with rake, then get 430 kilograms of bentonite materials and again mix with above-mentioned raw materials mixture.
(2) getting 30 kilograms of 40 kilograms of SPC-D raw materials, 10 kilograms of biphosphate sodium raw materials, attapulgite raw material is uniformly mixed.
(3) by first step gained mixture and second step mixture again hybrid reactor be put in a place; then last mixture shovel is placed in stirrer; add 35 kilograms of physiological saline, fully mix and blend reaches granulation requirement, finally puts into nodulizer granulation.
The result of use test of the compound Digy bacterium of above-mentioned granule type:
Process water body: the fresh water shrimp pool of 10 mu of waters surface, ammonia nitrogen 1.4mg/L, nitrous acid nitrogen 0.4mg/mL, hydrogen sulfide 0.2mg/mL.
Treatment cycle is half a year, within first 2 months every 10 days, uses 1 time, and every mu of water surface (1 meter of the depth of water) is used this product 250g; Within latter 4 months every 7 days, every mu of water surface (1 meter of the depth of water) is used this product 500g with once.
Processing finishes rear water sample to be measured: ammonia nitrogen is less than 0.02mg/L, nitrous acid nitrogen 0.05mg/mL, hydrogen sulfide 0.05mg/mL.
Embodiment 2
The compound Digy bacterium of a kind of granule type, formula following (producing 1000 kilograms of compound Digy bacterium desired raw materials): 5 kilograms of photosynthetic bacteria flocculants, 10 kilograms of liquid natto genus bacillus (10,000,000,000/ml), 350 kilograms of wilkinites, 530 kilograms, the particulate zeolites powder of diameter 1-2mm, 10 kilograms of attapulgites, 60 kilograms of SPC-D, 5 kilograms of SODIUM PHOSPHATE, MONOBASIC, 30 kilograms, physiological saline.
The preparation method of the compound Digy bacterium of above-mentioned granule type, carries out as follows:
(1) the particulate zeolites powder of diameter 1-2mm takes 550 kilograms and evenly makes thinner and be put on the ground, evenly be sprayed at respectively on diameter 1-2mm particulate zeolites powder raw material with 10 kilograms of 5 kilograms of the filling photosynthetic bacteria flocculant raw materials of watering pot, liquid natto genus bacillus (10,000,000,000/ml) raw material, then mix with rake, then get 350 kilograms of bentonite materials and again mix with above-mentioned raw materials mixture.
(2) getting 10 kilograms of 60 kilograms of SPC-D raw materials, 5 kilograms of biphosphate sodium raw materials, attapulgite raw material is uniformly mixed.
(3) by first step gained mixture and second step mixture again hybrid reactor be put in a place; then last mixture shovel is placed in stirrer; add 30 kilograms of physiological saline, fully mix and blend reaches granulation requirement, finally puts into nodulizer granulation.
The result of use test of the compound Digy bacterium of above-mentioned granule type:
Process water body: the fishpond of 30 mu of waters surface, ammonia nitrogen 2.0mg/L, nitrous acid nitrogen 0.4mg/mL, hydrogen sulfide 0.3mg/mL.
Treatment cycle is half a year, within first 2 months every 10 days, uses 1 time, and every mu of water surface (1 meter of the depth of water) is used this product 250g; Within latter 4 months every 7 days, every mu of water surface (1 meter of the depth of water) is used this product 500g with once.
Processing finishes rear water sample to be measured: ammonia nitrogen is less than 0.01mg/L, nitrous acid nitrogen 0.01mg/mL, hydrogen sulfide 0.05mg/mL.
Embodiment 3
The compound Digy bacterium of a kind of granule type, formula following (producing 1000 kilograms of compound Digy bacterium desired raw materials): 15 kilograms of photosynthetic bacteria flocculants, 1 kilogram of liquid natto genus bacillus (10,000,000,000/ml), 530 kilograms of wilkinites, 350 kilograms, the particulate zeolites powder of diameter 1-2mm, 50 kilograms of attapulgites, 20 kilograms of SPC-D, 15 kilograms of SODIUM PHOSPHATE, MONOBASIC, 19 kilograms, physiological saline.
The preparation method of the compound Digy bacterium of above-mentioned granule type, carries out as follows:
(1) the particulate zeolites powder of diameter 1-2mm takes 350 kilograms and evenly makes thinner and be put on the ground, evenly be sprayed at respectively on diameter 1-2mm particulate zeolites powder raw material with 1 kilogram of 15 kilograms of the filling photosynthetic bacteria flocculant raw material of watering pot, liquid natto genus bacillus (10,000,000,000/ml) raw material, then mix with rake, then get 530 kilograms of bentonite materials and again mix with above-mentioned raw materials mixture.
(2) getting 50 kilograms of 20 kilograms of SPC-D raw materials, 15 kilograms of biphosphate sodium raw materials, attapulgite raw material is uniformly mixed.
(3) by first step gained mixture and second step mixture again hybrid reactor be put in a place; then last mixture shovel is placed in stirrer; add 19 kilograms of physiological saline, fully mix and blend reaches granulation requirement, finally puts into nodulizer granulation.
The result of use test of the compound Digy bacterium of above-mentioned granule type:
Process water body: the seawater shrimps pool of 100 mu of waters surface, ammonia nitrogen 1.2mg/L, nitrous acid nitrogen 0.6mg/mL, hydrogen sulfide 0.25mg/mL.
Treatment cycle is half a year, within first 2 months every 10 days, uses 1 time, and every mu of water surface (1 meter of the depth of water) is used this product 250g; Within latter 4 months every 7 days, every mu of water surface (1 meter of the depth of water) is used this product 500g with once.
Processing finishes rear water sample to be measured: ammonia nitrogen is less than 0.01mg/L, nitrous acid nitrogen 0.01mg/mL, hydrogen sulfide 0.01mg/mL.
As can be seen from the above-described embodiment, the compound Digy bacterium of granule type of the present invention improves significantly to cultivation water environment, owing to being solid particulate, there is stronger slow releasing function, can process for different objectionable impuritiess at different water depths, so just reach efficient effect, treatment effect is good.
Claims (3)
1. the compound Digy bacterium of granule type, is characterized in that, wherein each component and weight percent are as follows:
Photosynthetic bacteria flocculant 0.5～1.5%, liquid natto genus bacillus 0.1～1%,
Wilkinite 35～53%, the particulate zeolites powder 35～53% of diameter 1-2mm, attapulgite 1～5%,
SPC-D 2～6%, SODIUM PHOSPHATE, MONOBASIC 0.5～1.5%, physiological saline surplus;
Described liquid natto genus bacillus, every ml is containing 10,000,000,000 of viable counts;
Described photosynthetic bacteria flocculant, every gram containing 50,000,000,000 of viable counts, thalline resurrection rate >95%.
2. the compound Digy bacterium of granule type according to claim 1, is characterized in that, wherein each component and weight percent are as follows:
Photosynthetic bacteria flocculant 1%, liquid natto genus bacillus 0.5%,
Wilkinite 43%, the particulate zeolites powder 44% of diameter 1-2mm, attapulgite 3%,
SPC-D 4%, SODIUM PHOSPHATE, MONOBASIC 1%, physiological saline 3.5%.
3. a preparation method for the compound Digy bacterium of granule type according to claim 1 and 2, is characterized in that, carries out as follows:
(1) the particulate zeolites powder that takes diameter 1-2mm by formula ratio is evenly spread out, the photosynthetic bacteria flocculant of formula ratio, liquid natto genus bacillus are evenly sprayed on the particulate zeolites powder of diameter 1-2mm, then above-mentioned raw materials is mixed, then the bentonite material that takes formula ratio mixes again with above-mentioned raw materials mixture;
(2) taking SPC-D raw material, biphosphate sodium raw materials, attapulgite raw material stirring by formula ratio mixes;
(3) by the first step gained mixture and second step gained mixture again hybrid reactor be put in a place; then last mixture is put into stirrer; add the physiological saline of formula ratio, be fully uniformly mixed and reach granulation requirement, finally put into nodulizer granulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580635.4A CN103011425B (en) | 2012-12-27 | 2012-12-27 | Granular composite bottom treatment bacterium and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580635.4A CN103011425B (en) | 2012-12-27 | 2012-12-27 | Granular composite bottom treatment bacterium and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103011425A CN103011425A (en) | 2013-04-03 |
| CN103011425B true CN103011425B (en) | 2014-05-28 |
Family
ID=47960604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210580635.4A Active CN103011425B (en) | 2012-12-27 | 2012-12-27 | Granular composite bottom treatment bacterium and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103011425B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103525731A (en) * | 2013-10-15 | 2014-01-22 | 南京市水产科学研究所 | Slow-release microecologics and preparation method thereof |
| CN104692542B (en) * | 2015-02-09 | 2016-10-05 | 华南理工大学 | Increase complex microorganism oxygenation agent of breeding water body transparency and preparation method thereof |
| CN104803485B (en) * | 2015-04-17 | 2017-04-05 | 郑州慧泽生化科技有限公司 | A kind of microbial compound enzyme water purification agent granule |
| CN105129932A (en) * | 2015-08-21 | 2015-12-09 | 泰兴市和庆机械配件厂 | Tropical aquarium fish tank water treatment agent and preparation method thereof |
| CN110330120A (en) * | 2019-08-15 | 2019-10-15 | 杭州珊瑚环境科技有限公司 | A kind of ecological restoring method of black-odor riverway |
| CN112626059A (en) * | 2020-11-02 | 2021-04-09 | 无锡泓宝微生物科技有限公司 | Net bottom cleaning bacterium for cleaning silt at net cage bottom and preparation method thereof |
| CN112850913B (en) * | 2020-12-31 | 2023-04-18 | 上海泓宝绿色水产股份有限公司 | Bdellodicus bdellovi and preparation method and use method thereof |
| CN113754218A (en) * | 2021-10-09 | 2021-12-07 | 广州金水动物保健品有限公司 | Tablet of composite bottom modifying bacteria and preparation method thereof |
| CN115316318B (en) * | 2022-08-25 | 2024-02-27 | 承江 | Method for microecological cultivation of leeches |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396123A (en) * | 2001-07-12 | 2003-02-12 | 华东师范大学 | Preparing process and application of composite biologic water cleaner containing living bacteria |
| US20050101003A1 (en) * | 1998-05-06 | 2005-05-12 | Orient Green Co., Ltd | Microbe culture containing microgrobes having different characters living in symbosis with each other and metabolites therefrom, carrier and absorbing material containing the active ingredients of the culture and utilization thereof |
| CN1706757A (en) * | 2004-06-08 | 2005-12-14 | 张广志 | Water quality modifier |
| CN101715742A (en) * | 2009-11-16 | 2010-06-02 | 大连金砣水产食品有限公司 | Holothurian cultivation pond water quality modifier and preparation method thereof |
| CN102092911A (en) * | 2010-11-25 | 2011-06-15 | 庄河市水产技术推广站 | Sediment modifiers for sea cucumber pond and production method thereof |
-
2012
- 2012-12-27 CN CN201210580635.4A patent/CN103011425B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050101003A1 (en) * | 1998-05-06 | 2005-05-12 | Orient Green Co., Ltd | Microbe culture containing microgrobes having different characters living in symbosis with each other and metabolites therefrom, carrier and absorbing material containing the active ingredients of the culture and utilization thereof |
| CN1396123A (en) * | 2001-07-12 | 2003-02-12 | 华东师范大学 | Preparing process and application of composite biologic water cleaner containing living bacteria |
| CN1706757A (en) * | 2004-06-08 | 2005-12-14 | 张广志 | Water quality modifier |
| CN101715742A (en) * | 2009-11-16 | 2010-06-02 | 大连金砣水产食品有限公司 | Holothurian cultivation pond water quality modifier and preparation method thereof |
| CN102092911A (en) * | 2010-11-25 | 2011-06-15 | 庄河市水产技术推广站 | Sediment modifiers for sea cucumber pond and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103011425A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103011425B (en) | Granular composite bottom treatment bacterium and preparation method thereof | |
| CN104671433B (en) | A kind of complex microorganism oxygenation agent removing breeding water body ammonia nitrogen and preparation method thereof | |
| CN108328750A (en) | A kind of improver of water quality used for aquiculture and preparation method thereof | |
| CN107265659A (en) | A kind of aquaculture microorganism substrate modifier with triple function and preparation method thereof | |
| CN101962229A (en) | Water purifying agent for pond culture | |
| CN1500749A (en) | Modifying agent for microorganism breeding water and preparing method thereof | |
| CN102963986A (en) | Biological sediment modifier for fishpond | |
| CN104803485A (en) | Microorganism compound enzyme water purifying agent particle | |
| CN107324505A (en) | Water quality cleansing agent for aquaculture | |
| CN109052655A (en) | A kind of disinfection oxygenation agent used for aquiculture | |
| CN104843876A (en) | Microbial preparation for purifying water and improving water quality | |
| CN107176626A (en) | A kind of improver of water quality and preparation method thereof | |
| CN108178341A (en) | A kind of solid microbe purification particle and preparation method thereof | |
| CN102911897A (en) | Cultural method for paracoccus denitrificans and application of same to purifying aquaculture water | |
| CN109650556A (en) | The composite bacillus microbial inoculum and its application of ammonia nitrogen and nitrite in degradation water body | |
| CN104445450A (en) | Coilia ectenes aquaculture pond water regulator and preparation method thereof | |
| CN105967344A (en) | High-efficiency water quality improving agent and preparing method thereof | |
| CN104692542B (en) | Increase complex microorganism oxygenation agent of breeding water body transparency and preparation method thereof | |
| CN110980856B (en) | Composition for bottom modification of special fish culture pond and application thereof | |
| CN104193001A (en) | Aquaculture substrate modifier and preparation method thereof | |
| CN102092911A (en) | Sediment modifiers for sea cucumber pond and production method thereof | |
| CN104986867A (en) | Complex microbial inoculant for improving aquaculture pond bottom mud environment and preparation method and application thereof | |
| CN101082035A (en) | Preparation of dotey bacterium and method for restoring shellfish culture environment | |
| CN102649603A (en) | High-activity and high-efficiency solid biological substrate-improving granule | |
| CN1657444A (en) | Ultra concentrated algae bacteria microecological equipment suspension type water quality modifier and its preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200233 room 33, building 680, No. 303-1, Guiping Road, Shanghai, Xuhui District Patentee after: SHANGHAI HONGBAO GREEN AQUATIC PRODUCT CO., LTD. Patentee after: Shanghai Hongbao Science & Technology Co., Ltd. Address before: 200233 room 33, building 680, No. 303-1, Guiping Road, Shanghai, Xuhui District Patentee before: Shanghai Hongbao Green Aquatic Product Science & Technology Development Co., Ltd Patentee before: Shanghai Hongbao Science & Technology Co., Ltd. |