CN105613367A - Factory-like zander fingerling cultivation method - Google Patents

Factory-like zander fingerling cultivation method Download PDF

Info

Publication number
CN105613367A
CN105613367A CN201510990039.7A CN201510990039A CN105613367A CN 105613367 A CN105613367 A CN 105613367A CN 201510990039 A CN201510990039 A CN 201510990039A CN 105613367 A CN105613367 A CN 105613367A
Authority
CN
China
Prior art keywords
feed
water
day
zander
fish
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.)
Granted
Application number
CN201510990039.7A
Other languages
Chinese (zh)
Other versions
CN105613367B (en
Inventor
向俊思
周路
杨祥文
余远帅
张竹青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Jinrun Aquatic Products Co Ltd
Original Assignee
Guizhou Jinrun Aquatic Products Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guizhou Jinrun Aquatic Products Co Ltd filed Critical Guizhou Jinrun Aquatic Products Co Ltd
Priority to CN201510990039.7A priority Critical patent/CN105613367B/en
Publication of CN105613367A publication Critical patent/CN105613367A/en
Application granted granted Critical
Publication of CN105613367B publication Critical patent/CN105613367B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • Y02A40/818Alternative feeds for fish, e.g. in aquacultures

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Fodder In General (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Feed For Specific Animals (AREA)

Abstract

The invention relates to a factory-like zander fingerling cultivation method. The method comprises the specific steps of firstly, selecting high-quality zander fries with the total length of each fish body being 3cm; then adopting a factory-like fry cultivation workshop and a full production line mode; selecting well water or mountain spring water or karst cave water, wherein the water temperature is controlled between 16 DEG C to 20 DEG C, water quality is clear and fresh and meets requirements of GB 11607, and dissolved oxygen is 5 mg/l; conducting sanitation treatment on the fries and the fry cultivation process; conducting feeding domestication, so that it is guaranteed that 30 days later, the fries can be directly fed with full-value mixed granulated feed; culturing the zander fries for 12-18 months, as a result, the weight can reach 0.05-0.75 kg/fish, the fish body length can reach 20-22 cm, and at this moment, the fries can be transferred to marketable fish culturing. The factory-like zander fingerling cultivation method is concluded by aquatic product technicians through multiple times of tests, and by means of the method, the survival rate of obtained fingerling is 96% and above, and the method is quite worthy of being applied and popularized in the industry.

Description

A kind of factory culturing method of zander fingerling
Technical field
The invention belongs to aquaculture field, particularly to the factory culturing method of a kind of zander fingerling.
Background technology
Zander fish is former is distributed in the Black Sea in Europe, the Caspian Sea and the river of Baltic Sea water system, lake, is only distributed in Xinjiang Yili of China River system and Eerqisihe River water system in China. Zander resistance against diseases is extremely strong, fast growth, fine and tender taste, and between flesh, thorn is few, high nutritive value, its protein content is more than 20.53%, also higher than Siniperca chuatsi, 5 kinds cause fresh amino acid content also above rainbow trout, and eating effect, significantly better than Siniperca chuatsi, has the title of " fresh-water fishes king ". Zander fish belongs to ferociousness Fish, moves in fresh water and brackish water waters, makes a living preying on small fish. Body length, up to 500��1300 millimeters, weighs about 8��12 kilograms. The happiness of zander fish lives in that water quality is pure and fresh and water transparency, dissolved oxygen amount are high, and has in the environment of miniflow water. Require that water pH value is between 7.4��8.2. Zander fish is cold water fishes, and its suitable temperature range is 0��33 DEG C, and optimum growth temp is 12��18 DEG C. Zander fish is cultivation Shi Shuzhong lower floor Fish, how smoothly movable at deeper water layer, slightly alarms and namely dives into the water rapidly. Additionally, zander also has the custom hidden by day and come out at night, out look for food after the general dusk.
The open-mouthed bait of zander fry is wheel animalcule, naupiar larva etc., macrozooplankton and benthon is turned to along with growth, such as Daphnia magna class, Limnodrilus hoffmeisteri etc., just can prey on shrimp, hatching when growing to more than 2.5 centimeter length, the zander Seedling being in starvation can be eaten the fry of himself body length 2/3. Also there is the characteristic of its similar small and weak Fish that eat when bait deficiency. At present, the large-scale cultivation of zander fry, but without the technology of a set of maturation, causes zander fry some undesirable conditions when wild breeding occurs in the nurturing period.
Summary of the invention
A kind of method that it is an object of the invention to provide zander fingerling factory culturing.
A kind of factory culturing method of zander fingerling, concretely comprising the following steps of the method:
(1) fry is chosen: choose the high-quality zander fry that fish body total length is 3;
(2) select industrial seedling rearing workshop, full pipeline mode: nursery pond adopt �� 2m glass jar, the depth of water controls 30��50, fry breeding density be 200 tails/;
(3) cultivation water: select water temperature stability 16��20 DEG C, water quality is pure and fresh and water quality meets the regulation of GB11607, dissolved oxygen amount at the well water of 5mg/l, spring water or cavern water;
(4) sanitized of fry and breeding process:
(1) fish body is embathed 5��10 minutes by the NaCl solution of 3 �� when fry enters pond;
(2) within entering pond 30 days every 7 days, fish body is embathed 10��20 minutes by the NaCl solution of 8 �� at Yuan Chi;
(3) within after entering pond 30 days every 15 days, fish body is embathed 10��20 minutes by the NaCl solution of 8 �� at Yuan Chi;
(4) the Limnodrilus hoffmeisteri class living bait used by is used that the NaCl solution of 10��15 �� is embathed 5 minutes and removes the evil;
(5) food is tamed and dociled:
(1) making of bait and feeding method:
Fry enters did not throw something and feed the same day in pond;
2nd��4 day, the Limnodrilus hoffmeisteri after disinfection of entirely throwing something and feeding;
Within 5th��7 day, make pasty state in the ratio of full price mash feed 10%+ Limnodrilus hoffmeisteri 90%, feed with brush brush; Within 8th��10 day, make pasty state in full price mash feed 20%+ Limnodrilus hoffmeisteri 80% ratio to throw something and feed;
Within 11st��13 day, make pasty state in full price mash feed 40%+ Limnodrilus hoffmeisteri 60% ratio to throw something and feed;
Within 14th��19 day, make pasty state in full price mash feed 50%+ Limnodrilus hoffmeisteri 50% ratio to throw something and feed;
Within 20th��23 day, make pasty state in full price mash feed 70%+ Limnodrilus hoffmeisteri 30% ratio to throw something and feed;
Within 24th��30 day, make dough in the ratio of full price mash feed 90%+ Limnodrilus hoffmeisteri 10% to throw something and feed;
Just can directly throw something and feed after 30 days complete compound granular feed;
(2) throw something and feed number of times: during fish body total length 3��6, throw something and feed every day 5 times; During fish body total length 7��10, throw something and feed every day 4 times; During fish body total length 10��20, throw something and feed every day 3 times;
(3) amount of raising is thrown: the forage volume every time thrown something and fed supports flexibly and holds, and controls to eat up in 20 minutes;
(6) feeding and management: the best cultivation temperature range of zander fish is 16 DEG C��20 DEG C, and fishpond filled new water 30cm every 10 days, discharged waste water simultaneously, to control water quality, kept the salubrious of pond water quality; Summer, for controlling water temperature, can build sunshade, sunshade net class cooling installation above pond, or at pond water surface aquaculture Herba Eichhorniae etc., but it is noted that minimizing draws in the net to operate disturbs fish body to plunder;
(7) zander fry was through the cultivation of 12��18 months, and body weight, up to 0.05��0.75kg/ tail, fish length 20��22, now can proceed to marketable fish cultivation.
The present invention is a set of zander fingerling cultivating method that aquatic products technical staff sums up through test of many times, adopts the fingerling survival rate that the method obtains more than 96%, highly in industry promotion and application.
Detailed description of the invention
In China, zander fish is distributed in Xinjiang Autonomous Region and is located in the Boulogne holder sea of Eerqisihe River of Altay Prefecture and Fuhai County, the mating period of zander fish annual 5��by the end of June, when water temperature rises to 8��12 DEG C, zander fish can breed. The age at sexual maturity that parent fish is general was 3 ages. In natural water area, zander parent fish selects the place having Tree root, having algae, by milter fin and health, the things such as tree root, weeds, rubble are built up fish nest for laying eggs, then ripe raun is arrived in fish nest to carry out oestrusing laying eggs, after spawning and fertilization, milter is guarded near fish nest, until hatching fry.
Current zander fingerling is but without large-scale cultivation successful story, and technical staff through the effort of 3 years, have developed the factory culturing method still belonging to pioneering a kind of zander fingerling in the whole industry. Concretely comprising the following steps of the method:
(1) fry is chosen: choose the high-quality zander fry that fish body total length is 3;
(2) select industrial seedling rearing workshop, full pipeline mode: nursery pond adopt �� 2m glass jar, the depth of water controls 30��50, fry breeding density be 200 tails/;
(3) cultivation water: cultivation wet concentration water temperature stability 16��20 DEG C, water quality is pure and fresh and water quality meets the regulation of GB11607, dissolved oxygen amount at the well water of 5mg/l, spring water or cavern water;
(4) sanitized of fry and breeding process:
(1) fish body is embathed 5��10 minutes by the NaCl solution of 3 �� when fry enters pond;
(2) within entering pond 30 days every 7 days, fish body is embathed 10��20 minutes by the NaCl solution of 8 �� at Yuan Chi;
(3) within after entering pond 30 days every 15 days, fish body is embathed 10��20 minutes by the NaCl solution of 8 �� at Yuan Chi;
(4) the Limnodrilus hoffmeisteri class living bait used by is used that the NaCl solution of 10��15 �� is embathed 5 minutes and removes the evil;
(5) food is tamed and dociled:
(1) making of bait and feeding method:
Fry enters did not throw something and feed the same day in pond;
2nd��4 day, the Limnodrilus hoffmeisteri after disinfection of entirely throwing something and feeding;
Within 5th��7 day, make pasty state in the ratio of full price mash feed 10%+ Limnodrilus hoffmeisteri 90%, feed with brush brush; Within 8th��10 day, make pasty state in full price mash feed 20%+ Limnodrilus hoffmeisteri 80% ratio to throw something and feed;
Within 11st��13 day, make pasty state in full price mash feed 40%+ Limnodrilus hoffmeisteri 60% ratio to throw something and feed;
Within 14th��19 day, make pasty state in full price mash feed 50%+ Limnodrilus hoffmeisteri 50% ratio to throw something and feed;
Within 20th��23 day, make pasty state in full price mash feed 70%+ Limnodrilus hoffmeisteri 30% ratio to throw something and feed;
Within 24th��30 day, make dough in the ratio of full price mash feed 90%+ Limnodrilus hoffmeisteri 10% to throw something and feed;
Just can directly throw something and feed after 30 days complete compound granular feed.
(2) throw something and feed number of times: during fish body total length 3��6, throw something and feed every day 5 times; During fish body total length 7��10, throw something and feed every day 4 times; During fish body total length 10��20, throw something and feed every day 3 times;
(3) amount of raising is thrown: the forage volume every time thrown something and fed supports flexibly and holds, and controls to eat up in 20 minutes;
(6) feeding and management: zander fish is the predacious fish in natural water area, and the requirement of water quality is significantly high, it should be noted that the content of the adjustment of water quality, particularly dissolved oxygen, there will be floating head phenomenon when Dissolved Oxygen in Water is lower than 4mg/L. The adaptive temperature of zander fish is 0 DEG C��30 DEG C, optimum temperature range 16 DEG C��20 DEG C. Because zander is cold water fishes, pond filled new water 30cm every 10 days, discharged waste water simultaneously, to control water quality, kept the salubrious of pond water quality. Season in midsummer, pond water temperature was higher, considerably beyond the thermophilic upper limit of zander, can take to build the cooling of the facility such as sunshade, sunshade net above pond, or at pond water surface aquaculture Herba Eichhorniae etc., disturbed fish body it is also noted that reduce to draw in the net to operate to avoid plunderring.
(7) zander fry was through the cultivation of 12��18 months, and body weight, up to 0.05��0.75kg/ tail, fish length 20��22, now can proceed to marketable fish cultivation.
The present invention is that technical staff is through test of many times, by zander fry long for the fish body 3 bought from breeding nursery, through the cultivation of 12��18 months, cultivate 20 long, can ingest after complete compound granular feed completely, proceeding to marketable fish cultivation again, the survival rate of fingerling is to more than 96%, highly in industry promotion and application.

Claims (1)

1. the factory culturing method of a zander fingerling, it is characterised in that: concretely comprising the following steps of the method:
(1) fry is chosen: choose the high-quality zander fry that fish body total length is 3;
(2) select industrial seedling rearing workshop, full pipeline mode: nursery pond adopt �� 2m glass jar, the depth of water controls 30��50, fry breeding density be 200 tails/;
(3) cultivation water: select water temperature stability 16��20 DEG C, water quality is pure and fresh and water quality meets the regulation of GB11607, dissolved oxygen amount at the well water of 5mg/l, spring water or cavern water;
(4) sanitized of fry and breeding process:
(1) fish body is embathed 5��10 minutes by the NaCl solution of 3 �� when fry enters pond;
(2) within entering pond 30 days every 7 days, fish body is embathed 10��20 minutes by the NaCl solution of 8 �� at Yuan Chi;
(3) within after entering pond 30 days every 15 days, fish body is embathed 10��20 minutes by the NaCl solution of 8 �� at Yuan Chi;
(4) the Limnodrilus hoffmeisteri class living bait used by is used that the NaCl solution of 10��15 �� is embathed 5 minutes and removes the evil;
(5) food is tamed and dociled:
(1) making of bait and feeding method:
Fry enters did not throw something and feed the same day in pond;
2nd��4 day, the Limnodrilus hoffmeisteri after disinfection of entirely throwing something and feeding;
Within 5th��7 day, make pasty state in the ratio of full price mash feed 10%+ Limnodrilus hoffmeisteri 90%, feed with brush brush; Within 8th��10 day, make pasty state in full price mash feed 20%+ Limnodrilus hoffmeisteri 80% ratio to throw something and feed;
Within 11st��13 day, make pasty state in full price mash feed 40%+ Limnodrilus hoffmeisteri 60% ratio to throw something and feed;
Within 14th��19 day, make pasty state in full price mash feed 50%+ Limnodrilus hoffmeisteri 50% ratio to throw something and feed;
Within 20th��23 day, make pasty state in full price mash feed 70%+ Limnodrilus hoffmeisteri 30% ratio to throw something and feed;
Within 24th��30 day, make dough in the ratio of full price mash feed 90%+ Limnodrilus hoffmeisteri 10% to throw something and feed;
Just can directly throw something and feed after 30th day complete compound granular feed;
(2) throw something and feed number of times: during fish body total length 3��6, throw something and feed every day 5 times; During fish body total length 7��10, throw something and feed every day 4 times; During fish body total length 10��20, throw something and feed every day 3 times;
(3) amount of raising is thrown: the forage volume every time thrown something and fed supports flexibly and holds, and controls to eat up in 20 minutes;
(6) feeding and management: the best cultivation temperature range of zander fish is 16 DEG C��20 DEG C, and fishpond filled new water 30cm every 10 days, discharged waste water simultaneously, to control water quality, kept the salubrious of pond water quality; Summer, for controlling water temperature, can build sunshade, sunshade net class cooling installation above pond, or at pond water surface aquaculture Herba Eichhorniae etc., but it is noted that minimizing draws in the net to operate disturbs fish body to plunder;
(7) zander fry was through the cultivation of 12��18 months, and body weight, up to 0.05��0.75kg/ tail, fish length 20��22, now can proceed to marketable fish cultivation.
CN201510990039.7A 2015-12-28 2015-12-28 A kind of factory culturing method of zander fingerling Active CN105613367B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510990039.7A CN105613367B (en) 2015-12-28 2015-12-28 A kind of factory culturing method of zander fingerling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510990039.7A CN105613367B (en) 2015-12-28 2015-12-28 A kind of factory culturing method of zander fingerling

Publications (2)

Publication Number Publication Date
CN105613367A true CN105613367A (en) 2016-06-01
CN105613367B CN105613367B (en) 2018-04-03

Family

ID=56029080

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510990039.7A Active CN105613367B (en) 2015-12-28 2015-12-28 A kind of factory culturing method of zander fingerling

Country Status (1)

Country Link
CN (1) CN105613367B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113412801A (en) * 2021-07-30 2021-09-21 中国水产科学研究院黑龙江水产研究所 Simple method for rapidly domesticating zander

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1433380A1 (en) * 2002-12-24 2004-06-30 Inve Technologies N.V. Process for decapsulating crustacean or rotifer eggs
RU2346430C2 (en) * 2006-12-11 2009-02-20 Федеральное государственное научное учреждение "Государственный научно-исследовательский институт озерного и речного рыбного хозяйства" Method for nauplius production from crustacean eggs
CN103947586A (en) * 2014-04-15 2014-07-30 新疆维吾尔自治区水产科学研究所 Method for domesticating zander fry by using artificial compound feeds
CN104273071A (en) * 2014-10-20 2015-01-14 苏州苏湘特种水产养殖场 High-density zander aquaculture method
CN104521832A (en) * 2014-12-22 2015-04-22 马允 Cultivation method for fish fries and adult fishes
CN104604759A (en) * 2014-11-28 2015-05-13 太和县龙潭鱼牧业养殖有限公司 Grass carp culturing method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1433380A1 (en) * 2002-12-24 2004-06-30 Inve Technologies N.V. Process for decapsulating crustacean or rotifer eggs
RU2346430C2 (en) * 2006-12-11 2009-02-20 Федеральное государственное научное учреждение "Государственный научно-исследовательский институт озерного и речного рыбного хозяйства" Method for nauplius production from crustacean eggs
CN103947586A (en) * 2014-04-15 2014-07-30 新疆维吾尔自治区水产科学研究所 Method for domesticating zander fry by using artificial compound feeds
CN104273071A (en) * 2014-10-20 2015-01-14 苏州苏湘特种水产养殖场 High-density zander aquaculture method
CN104604759A (en) * 2014-11-28 2015-05-13 太和县龙潭鱼牧业养殖有限公司 Grass carp culturing method
CN104521832A (en) * 2014-12-22 2015-04-22 马允 Cultivation method for fish fries and adult fishes

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
李荣庆: "梭鲈池塘养殖技术", 《水利渔业》 *
杨汉运: "淡水养殖新品种——梭鲈", 《渔业致富指南》 *
樊纪梅 等: "梭鲈池塘养殖技术研究", 《水利渔业》 *
陈启春: "条纹鲈人工繁殖及苗种培育技术初探", 《淡水渔业》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113412801A (en) * 2021-07-30 2021-09-21 中国水产科学研究院黑龙江水产研究所 Simple method for rapidly domesticating zander

Also Published As

Publication number Publication date
CN105613367B (en) 2018-04-03

Similar Documents

Publication Publication Date Title
CN103891662B (en) Moire lithosporic raun and seven is with lithosporic milter cross breeding method
CN102415346A (en) Fresh water aquaculture method for penaeus vannamei
CN104604759A (en) Grass carp culturing method
CN104542407B (en) Two-stage cultivation method for loach offspring seeds
CN105145427A (en) Whitefish high-yield culturing method
CN104396809A (en) Grass carp culturing method
CN104304103B (en) A kind of doing sth. in advance breeds, cultivates big specification lip * offspring breeding method
CN105052793A (en) High-yield breeding method for field snail
CN107079843A (en) Coregonus ussuriensis offspring seed cultivation method
CN103891640A (en) Method for hatching and breeding aquatic seedlings
CN105325329A (en) High-yield culture method for grass carp
CN104839072A (en) Method for cultivating Penaeus vannamei Boone larvae in earth pond greenhouse
CN102487867B (en) Mixed culture method for sepia esculenta offspring seed and cynoglossus semilaevis offspring seed
CN108901950A (en) A kind of method that batch production perch large size seedling seed is cultivated
CN109197711A (en) A kind of method of the native pond artificial breeding of Procambius clarkii
CN110754405B (en) Large-scale production method of artemia salina imago
CN104604758A (en) Breeding method for large-size blunt snout bream fingerling based on circulating water system
CN105325321A (en) Sparus aurata culturing technology
CN103766249B (en) A kind of mixed feed feeding method of Parapenaeopsis hardwickii seed rearing
CN104585102A (en) High-yield culture method of whitebait
CN108782385A (en) A kind of cultural method of Macrobrachium rosenbergii seedling
CN108377974A (en) A kind of stone frog's egg grain heating hatchery and hatching method
CN105613367B (en) A kind of factory culturing method of zander fingerling
CN108377944A (en) A kind of swimming crab ecological breeding method for breeding
CN107691297B (en) Artificial cultivation method for large-specification fingerlings of odontobutis potamophila

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant