师资队伍

王志坤(副教授)-ag旗舰厅在线

作者:审核:发布者:张秀良发布时间:2019-09-29浏览次数:6842

»姓名:王志坤

»系属:材料物理系

»学位:博士

»职称:副教授

»专业:材料科学与工程

»导师类别:硕导

»电子邮箱:wangzhikun@upc.edu.cn

»联系电话:15863117051

»网站:http://corrosion.mse.upc.edu.cn/

»通讯地址:山东省青岛市黄岛区长江西路66

»概况:

男,1990年生,博士,副教授,硕士生导师,山东省暨青岛市腐蚀与防护学会理事,山东省高等学校“青创团队”带头人,美国加州大学戴维斯分校联培博士,国家基金评审专家,corrossci等期刊审稿人。主要研究领域为:1.油田化学品(缓蚀剂、杀菌剂、脱硫剂、阻垢剂、乳化剂)的功能化设计、2.面向油气应用的智能纳米材料开发、3.能源新材料的全尺度模拟(量化、动力学、仿真)。主持国家自然科学基金青年基金项目1项、山东省自然科学基金青年基金项目1项、中国博士后科学基金项目1项、山东省高等学校青创科技支持计划1项、青岛市博士后资助项目1项、自主创新科研计划项目2项、油气田企事业横向课题9项;以第一/通讯作者发表sci收录论文20余篇;以第一发明人授权国家发明专利2项;获得青岛市科技进步二等奖1项(2023年)、山东省优秀博士学位论文1项(2020年)和中国石油大学(华东)校级优秀博士论文1项(2019年)。

 ◎研究方向

  1. 油田化学品(缓蚀剂、杀菌剂、脱硫剂、阻垢剂、乳化剂)的功能化设计

  2. 面向油气应用的智能纳米材料开发

  3. 能源新材料的全尺度模拟(量化、动力学、仿真)

 ◎教育经历

  1. 2009.09-2013.06,中国石油大学(华东),材料物理,学士

  2. 2013.09-2019.06,中国石油大学(华东),材料科学与工程,博士

  3. 2016.09-2017.09,加州大学戴维斯分校,化学工程,联培博士

 ◎工作经历

  1. 2019.09-2022.11,中国石油大学(华东),师资博士后

  2. 2022.11-2023.12,中国石油大学(华东),特任副教授

  3. 2024.01-至今,中国石油大学(华东),副教授

 ◎纵向项目

  1. 2024.01-2026.12,新型耐高温抗h2s@co2智能缓蚀剂研发及其靶向防腐蚀性能调控机制,山东省高等学校青创科技支持计划,20万,在研,带头人;

  2. 2023.01-2025.12,缓蚀/脱硫复合靶向h2s/co2腐蚀抑制剂的分子设计及性能调控机制,国家自然科学基金青年基金,30万,在研,主持;

  3. 2023.07-2025.11,基于纳米容器负载的多功能型腐蚀抑制剂制备及性能调控,自主创新科研计划项目(骨干教师),18万,在研,主持;

  4. 2021.01-2023.12,智能可逆交联共聚物囊泡的可控构建、稳定机理及多重环境响应机制,山东省自然科学基金青年基金,15万,结题,主持;

  5. 2020.11-2021.09,多肿瘤微环境敏感可逆交联囊泡的构筑及其稳定性和响应控释性能的调控机制,中国博士后科学基金面上二等项目,中国博士后科学基金会,8万,结题,主持;

  6. 2020.04-2021.09,基于可逆共价键交联的共聚物囊泡结构稳定机理及多重环境响应机制,青岛市博士后资助项目,5万,结题,主持;

  7. 2020.05-2021.09,基于聚合物多级自组装的多几何形貌纳米粒子结构调控,中国石油大学(华东)自主创新科研计划项目(理工科)-青年基金,10万,结题,主持;

 ◎横向项目

  1. 2024.05-2024.12,基于胜利油田回注水缓蚀杀菌的多功能水质稳定剂研发,中国石油化工股份有限公司胜利油田分公司技术检测中心,44.7万,在研,主持;

  2. 2023.08-2023.12,分注水井井下工具耐腐蚀性能测试评价,中国石油化工股份有限公司胜利油田分公司胜利采油厂,20万,结题,主持;

  3. 2022.11-2023.12,大王北油田油井地面管线腐蚀原因分析及技术对策研究,中国石油化工股份有限公司胜利油田分公司河口采油厂,36.05万,结题,主持;

  4. 2021.09-2021.12,稠油体系中降粘剂降粘机制的分子模拟测试,企事业单位委托科技项目,中国石油化工股份有限公司胜利油田分公司勘探开发研究院,39.14万,结题,主持;

  5. 2020.04-2021.04,智能泡排剂的应用技术研究,企事业单位委托科技项目,东营施普瑞石油工程技术有限公司,30万,结题,主持;

  6. 2022.04-2022.12,高效抗h2s/co2缓蚀脱硫剂的研发和应用性能研究,企事业单位委托科技项目,东营众悦石油科技有限公司,15万,结题,主持;

  7. 2021.03-2022.12,输送煤制气用x80钢安全评定分析测试,企事业单位委托科技项目,钢铁研究总院,15万,结题,主持;

  8. 2021.11-2021.12,稠油组分分析测试,企事业单位委托科技项目,中国石油化工股份有限公司胜利油田分公司技术检测中心,28.737万,结题,主持;

  9. 2020.09-2020.12,抽油泵关键部件在油田产出液中的耐腐蚀性评价,企事业单位委托科技项目,中国石油化工股份有限公司胜利油田分公司胜利采油厂,17.99万,结题,主持。

 ◎教改项目

  1. 2023.07-2025.07,不同钢铁材料在不同场景下的应力腐蚀行为研究,探究性实验项目,中国石油大学(华东),在研,主持。

 ◎主讲课程

  1. 本科生课程:《电化学原理及测试技术》、《腐蚀与防护实验》

  2. 研究生课程:《智能防腐材料及技术》

 ◎获奖情况

  1. 青岛市科技进步二等奖,2023年;

  2. 山东省优秀博士学位论文,2020年;

  3. 中国石油大学(华东)优秀博士学位论文,2019年。

 ◎论文

  1. zhikun wang#, fengting li#, li wang, yueqi liu, miantuo li, nannan cui, chunling li, shuangqing sun*, songqing hu*, a dissipative particle dynamics simulation of the controlled loading and responsive release of theranostic agents from reversible crosslinked triblock copolymer vesicle[j]. physical chemistry chemical physics, 2024, 26, 304-313.

  2. miantuo li, fengting li, jianwen hu, nannan cui, huiling su, lizhi li, zhikun wang*, shuangqing sun, songqing hu*. preparation and corrosion inhibition mechanism of a chitosan ionic liquid schiff base for the protection of n80 in hcl solution[j]. new journal of chemistry, 2024, 48, 3064-3079.

  3. li wang, zhikun wang*, fengting li, yueqi liu, miantuo li, nannan cui, songqing hu, shuangqing sun*. ph-responsive chitosan microspheres loaded with gemini imidazolium-based ionic liquids as smart corrosion inhibitors for n80 steel in hydrochloric acid solution[j]. advanced engineering materials, 2024, 26, 2301846.

  4. fengting li#, zhikun wang#(共一), yi zhou, lizhi li, yueqi liu, li wang, chunling li*, huafeng zhu, shuangqing sun, songqing hu*. improvement of carbon dots corrosion inhibition by ionic liquid modification: experimental and computational investigations[j]. corrosion science, 2023, 224, 111541.

  5. tengfang zhang, ziqi wu, huafeng zhu, zhikun wang*, shuangqing sun*, songqing hu. ph/temperature-responsive salt-tolerant pickering emulsion formed by pnipam-modified chitosan particles[j]. colloids and surfaces a: physicochemical and engineering aspects, 2023, 657, 130548.

  6. jianpeng cui, shuangqing sun, zhenkun chen, junjie fan, jianwen hu, songqing hu*, zhikun wang*. ph and redox dual-responsive pickering emulsion based on silica nanoparticles and novel ferrocene surfactant[j]. colloids and surface a: physicochemical and engineering aspects, 2023, 679, 132550.

  7. zhikun wang, liangliang fu, huafeng zhu, fengting li, chunling li*, shuangqing sun, songqing hu*. designing polymersomes with inhomogeneous membranes by co-assembly of block copolymers for controlled morphological reversibility[j]. physical chemistry chemical physics, 2022,24, 28886-28894.

  8. zhikun wang, jianan zhou, jing wang, mengjia wang, qiang lyu, chunling li, shuangqing sun*, roland faller, songqing hu*. interplay of distributions of multiple guest molecules in block copolymer micelles: a dissipative particle dynamics study[j]. journal of colloid and interface science, 2022, 607, 1142-1152.

  9. chunling li, zhikun wang*, wendong wang, huafeng zhu, shuangqing sun*, songqing hu. temperature and salt resistant co2 responsive gas well foam: experimental and molecular simulation study[j]. applied surface science, 2022, 594, 153431.

  10. ningkai shu, zhikun wang*, songqing hu, yinghua mou, zhiping li, qiang lyu*. effect of linker configuration and functionalization on the seawater desalination performance of zr-mof membrane[j]. chemical physics letters, 2021, 780, 138949.

  11. yang feng#, zhikun wang#(共一), weidong fan, zixi kang*, shou feng, lili fan, songqing hu, daofeng sun*. engineering the pore environment of metal-organic framework membranes via modification of the secondary building unit for improved gas separation[j]. journal of materials chemistry a, 2020, 8, 13132-13141.

  12. zhikun wang, hongbing wang, meng cheng, chunling li, roland faller, shuangqing sun*, songqing hu*. controllable multigeometry nanoparticles via cooperative assembly of amphiphilic diblock copolymer blends with asymmetric architectures[j]. acs nano, 2018, 12: 1413-1419.

  13. zhikun wang, qiang lv, shenghui chen, chunling li, shuangqing sun, and songqing hu*. effect of interfacial bonding on interphase properties in sio2/epoxy nanocomposite: a molecular dynamics simulation study[j]. acs applied materials & interfaces, 2016, 8(11), 7499–7508.

  14. zhikun wang, jianbang gao, vincent ustach, chunling li, shuangqing sun, songqing hu*, roland faller*. tunable permeability of cross-linked microcapsules from ph responsive amphiphilic diblock copolymers: a dissipative particle dynamics stud[j]. langmuir, 2017, 33, 7288-7297.

  15. zhikun wang, shuangqing sun*, qiang lyu, meng cheng, hongbing wang, chunling li, haoyan sha, roland faller, and songqing hu*. harnessed dopant block copolymers assist decorating membrane pores: a dissipative particle dynamics study[j]. macromolecular rapid communications, 2020, 41(3): 1900561.

  16. jianchang xu#, zhikun wang#(共一), fusheng zhang, shiyuan peng, jing zhang, lijuan zhang*. directed self-assembly of patchy microgels into anisotropic nanostructures[j]. macromolecular rapid communications, 2020, 41(2): 1900505.

  17. zhikun wang, qiang lv, shenghui chen, roland faller, chunling li, shaungqing sun*, songqing hu*. molecular dynamics simulations on heterogeneity and percolation of epoxy nanofilm during glass transition process[j]. materials chemistry and physics, 2018, 213, 239-248.

  18. zhikun wang, shuangqing sun, chunling li, songqing hu*, roland faller*. controllable multicompartment morphologies from cooperative self-assembly of copolymer–copolymer blends[j]. softmatter, 2017, 13, 5877--5887.

  19. zhikun wang, qiang lv, shenghui chen, chunling li, shuangqing sun, songqing hu*. glass transition investigations on highly crosslinked epoxy resins by molecular dynamics simulations, molecular simulation, 2015, 41(18): 1515-1527.

 ◎专利

  1. 王志坤、吕强、李春玲、李君豪、冷震、王秀民、孙霜青、胡松青,一种萘修饰交联的β-环糊精凝胶、制备方法及应用,发明专利,专利号:zl202111211041.1,授权公告日:2022-09-30

  2. 王志坤、李春玲、冷震、李君豪、吕强、王秀民、孙霜青、胡松青,一种苯环修饰的β-环糊精凝胶吸附剂、制备方法及其应用,发明专利,专利号:zl202110592040.x,授权公告日:2022-08-02


» namewang zhikun

» departmentmaterial physics

» degreephd

»title: associate professor

»major: materials science and engineering

»mentor category: master's supervisor

» emailwangzhikun@upc.edu.cn

»telephone15863117051

» websitehttp://corrosion.mse.upc.edu.cn/

»address: no. 66 changjiang west road, huangdao district, qingdao city, shandong province

»overview:

male, born in 1990, phd, associate professor, master's supervisor, director of the corrosion and protection society of shandong province and qingdao city, leader of the "youth innovation team" in higher education institutions in shandong province, joint phd at the university of california davis, expert reviewer for the natural science foundation of china, and reviewer for journals such as corrossci. the main research areas are: 1. functional design of oilfield chemicals (corrosion inhibitors, fungicides, desulfurizers, scale inhibitors, emulsifiers), 2. development of intelligent nanomaterials for oil and gas applications, and 3. full scale simulation (quantification, dynamics, simulation) of new energy materials. hosted one national natural science foundation youth fund project, one shandong provincial natural science foundation youth fund project, one china postdoctoral science fund project, one shandong province youth entrepreneurship science and technology support program, one qingdao postdoctoral support program, two independent innovation research program projects, and nine projects for oil and gas field enterprises and institutions; published over 20 sci indexed papers as the first/corresponding author; authorized 2 national invention patents as the first inventor; received one second prize for scientific and technological progress in qingdao (2023), one excellent doctoral thesis in shandong province (2020), and one outstanding doctoral thesis at the university level of china university of petroleum (east china) (2019).

 ◎research direction

  1. functional design of oilfield chemicals (corrosion inhibitors, fungicides, desulfurizers, scale inhibitors, emulsifiers)

  2. development of intelligent nanomaterials for oil and gas applications

  3. full scale simulation of new energy materials (quantification, dynamics, simulation)

 ◎educational experience

  1. 2009.09-2013.06: china university of petroleum (east china), materials physics, bachelor

  2. 2013.09-2019.06: china university of petroleum (east china), materials science and engineering, phd

  3. 2016.09-2017.09: university of california, davis, chemical engineering, joint phd

 ◎working experience

  1. 2019.09-2022.11: china university of petroleum (east china), postdoctoral fellow in teaching staff

  2. 2022.11-2023.12: china university of petroleum (east china), special associate professor

  3. 2024.01-now: china university of petroleum (east china), associate professor

 ◎fund projects

  1. 2024.01-2026.12: a new type of high-temperature resistance h2s@co2 research and development of intelligent corrosion inhibitors and their targeted anti-corrosion performance regulation mechanism, shandong province youth entrepreneurship technology support program for higher education institutions, 200000 yuan, leader.

  2. 2023.01-2025.12: molecular design and performance control mechanism of h2s/co2 corrosion inhibitors targeted by corrosion inhibition/desulfurization composite, national natural science foundation of china youth fund, 300000 yuan, hosted.

  3. 2023.07-2025.11: preparation and performance control of multifunctional corrosion inhibitors based on nanocontainer loading, independent innovation research plan project (backbone teacher), 180000 yuan, hosted.

  4. 2021.01-2023.12: controllable construction, stability mechanism, and multiple environmental response mechanism of intelligent reversible cross-linked copolymer vesicles, shandong natural science foundation youth fund, 150000 yuan, hosted.

  5. 2020.11-2021.09: the construction and stability of reversible cross-linked vesicles sensitive to multiple tumor microenvironments, as well as the regulatory mechanisms of their response and controlled release performance. second class project of the china postdoctoral science foundation, 80000 yuan, hosted.

  6. 2020.04-2021.09: stability mechanism and multiple environmental response mechanism of copolymer vesicle structure based on reversible covalent bonding crosslinking, qingdao postdoctoral funded project, 50000 yuan, hosted.

  7. 2020.05-2021.09structural regulation of multi geometric morphology nanoparticles based on multi-level self-assembly of polymers, funded by the youth fund of the independent innovation research program (science and engineering) of china university of petroleum (east china), with a budget of 100000 yuan, hosted.

 ◎enterprise projects

  1. 2024.05-2024.12, research and development of multifunctional water quality stabilizers based on corrosion inhibition and sterilization of reinjection water in shengli oilfield, technical testing center of shengli oilfield branch of china petroleum and chemical corporation, 447000 yuan, hosted.

  2. 2023.08-2023.12: corrosion resistance testing and evaluation of downhole tools for water injection wells, shengli oil production plant of sinopec shengli oilfield branch, 200000 yuan, hosted.

  3. 2022.11-2023.12: analysis of corrosion causes and technical countermeasures for surface pipelines of oil wells in dawangbei oilfield, hekou oil production plant of shengli oilfield branch of china petroleum and chemical corporation, 3600500 yuan, hosted.

  4. 2021.09-2021.12: molecular simulation testing of viscosity reduction mechanism of viscosity reducer in heavy oil systems, commissioned by enterprises and institutions for scientific and technological projects, exploration and development research institute of shengli oilfield branch of china petroleum and chemical corporation, 391400 yuan, hosted.

  5. 2020.04-2021.04: research on the application technology of intelligent foaming agents, technology project commissioned by enterprises and institutions, dongying shiprui petroleum engineering technology co., ltd., 300000 yuan, hosted.

  6. 2022.04-2022.12: research and application performance of efficient anti h2s/co2 corrosion and desulfurization agents, commissioned by enterprises and institutions for a technology project, dongying zhongyue petroleum technology co., ltd., 150000 yuan, hosted.

  7. 2021.03-2022.12: safety assessment and analysis testing of x80 steel used for coal to gas transportation, commissioned by enterprises and institutions for scientific and technological projects, china iron and steel research institute, 150000 yuan, hosted.

  8. 2021.11-2021.12: analysis and testing of heavy oil components, technology project commissioned by enterprises and institutions, technical testing center of shengli oilfield branch of china petroleum and chemical corporation, 2873700 yuan, hosted.

  9. 2020.09-2020.12: corrosion resistance evaluation of key components of oil well pumps in oilfield produced fluids, commissioned by enterprises and institutions, shengli oil production plant of china petroleum and chemical corporation shengli oilfield branch, 179900 yuan, hosted.

 ◎education reform projects

  1. 2023.07-2025.07: research on stress corrosion behavior of different steel materials in different scenarios, exploratory experimental project, china university of petroleum (east china), under research, hosted.

 ◎courses

  1. undergraduate courses:electrochemical principles and testing techniques, corrosion and protection experiments

  2. graduate course: intelligent anticorrosive materials and technologies

 ◎award situation

  1. qingdao science and technology progress second prize, 2023;

  2. excellent doctoral dissertation in shandong province, 2020;

  3. excellent doctoral dissertation from china university of petroleum (east china), 2019.

 ◎published papers

  1. zhikun wang#, fengting li#, li wang, yueqi liu, miantuo li, nannan cui, chunling li, shuangqing sun*, songqing hu*, a dissipative particle dynamics simulation of the controlled loading and responsive release of theranostic agents from reversible crosslinked triblock copolymer vesicle[j]. physical chemistry chemical physics, 2024, 26, 304-313.

  2. miantuo li, fengting li, jianwen hu, nannan cui, huiling su, lizhi li, zhikun wang*, shuangqing sun, songqing hu*. preparation and corrosion inhibition mechanism of a chitosan ionic liquid schiff base for the protection of n80 in hcl solution[j]. new journal of chemistry, 2024, 48, 3064-3079.

  3. li wang, zhikun wang*, fengting li, yueqi liu, miantuo li, nannan cui, songqing hu, shuangqing sun*. ph-responsive chitosan microspheres loaded with gemini imidazolium-based ionic liquids as smart corrosion inhibitors for n80 steel in hydrochloric acid solution[j]. advanced engineering materials, 2024, 26, 2301846.

  4. fengting li#, zhikun wang#(共一), yi zhou, lizhi li, yueqi liu, li wang, chunling li*, huafeng zhu, shuangqing sun, songqing hu*. improvement of carbon dots corrosion inhibition by ionic liquid modification: experimental and computational investigations[j]. corrosion science, 2023, 224, 111541.

  5. tengfang zhang, ziqi wu, huafeng zhu, zhikun wang*, shuangqing sun*, songqing hu. ph/temperature-responsive salt-tolerant pickering emulsion formed by pnipam-modified chitosan particles[j]. colloids and surfaces a: physicochemical and engineering aspects, 2023, 657, 130548.

  6. jianpeng cui, shuangqing sun, zhenkun chen, junjie fan, jianwen hu, songqing hu*, zhikun wang*. ph and redox dual-responsive pickering emulsion based on silica nanoparticles and novel ferrocene surfactant[j]. colloids and surface a: physicochemical and engineering aspects, 2023, 679, 132550.

  7. zhikun wang, liangliang fu, huafeng zhu, fengting li, chunling li*, shuangqing sun, songqing hu*. designing polymersomes with inhomogeneous membranes by co-assembly of block copolymers for controlled morphological reversibility[j]. physical chemistry chemical physics, 2022,24, 28886-28894.

  8. zhikun wang, jianan zhou, jing wang, mengjia wang, qiang lyu, chunling li, shuangqing sun*, roland faller, songqing hu*. interplay of distributions of multiple guest molecules in block copolymer micelles: a dissipative particle dynamics study[j]. journal of colloid and interface science, 2022, 607, 1142-1152.

  9. chunling li, zhikun wang*, wendong wang, huafeng zhu, shuangqing sun*, songqing hu. temperature and salt resistant co2 responsive gas well foam: experimental and molecular simulation study[j]. applied surface science, 2022, 594, 153431.

  10. ningkai shu, zhikun wang*, songqing hu, yinghua mou, zhiping li, qiang lyu*. effect of linker configuration and functionalization on the seawater desalination performance of zr-mof membrane[j]. chemical physics letters, 2021, 780, 138949.

  11. yang feng#, zhikun wang#(共一), weidong fan, zixi kang*, shou feng, lili fan, songqing hu, daofeng sun*. engineering the pore environment of metal-organic framework membranes via modification of the secondary building unit for improved gas separation[j]. journal of materials chemistry a, 2020, 8, 13132-13141.

  12. zhikun wang, hongbing wang, meng cheng, chunling li, roland faller, shuangqing sun*, songqing hu*. controllable multigeometry nanoparticles via cooperative assembly of amphiphilic diblock copolymer blends with asymmetric architectures[j]. acs nano, 2018, 12: 1413-1419.

  13. zhikun wang, qiang lv, shenghui chen, chunling li, shuangqing sun, and songqing hu*. effect of interfacial bonding on interphase properties in sio2/epoxy nanocomposite: a molecular dynamics simulation study[j]. acs applied materials & interfaces, 2016, 8(11), 7499–7508.

  14. zhikun wang, jianbang gao, vincent ustach, chunling li, shuangqing sun, songqing hu*, roland faller*. tunable permeability of cross-linked microcapsules from ph responsive amphiphilic diblock copolymers: a dissipative particle dynamics stud[j]. langmuir, 2017, 33, 7288-7297.

  15. zhikun wang, shuangqing sun*, qiang lyu, meng cheng, hongbing wang, chunling li, haoyan sha, roland faller, and songqing hu*. harnessed dopant block copolymers assist decorating membrane pores: a dissipative particle dynamics study[j]. macromolecular rapid communications, 2020, 41(3): 1900561.

  16. jianchang xu#, zhikun wang#(共一), fusheng zhang, shiyuan peng, jing zhang, lijuan zhang*. directed self-assembly of patchy microgels into anisotropic nanostructures[j]. macromolecular rapid communications, 2020, 41(2): 1900505.

  17. zhikun wang, qiang lv, shenghui chen, roland faller, chunling li, shaungqing sun*, songqing hu*. molecular dynamics simulations on heterogeneity and percolation of epoxy nanofilm during glass transition process[j]. materials chemistry and physics, 2018, 213, 239-248.

  18. zhikun wang, shuangqing sun, chunling li, songqing hu*, roland faller*. controllable multicompartment morphologies from cooperative self-assembly of copolymer–copolymer blends[j]. softmatter, 2017, 13, 5877--5887.

  19. zhikun wang, qiang lv, shenghui chen, chunling li, shuangqing sun, songqing hu*. glass transition investigations on highly crosslinked epoxy resins by molecular dynamics simulations, molecular simulation, 2015, 41(18): 1515-1527.

 ◎patents

  1. wang zhikun, lv qiang, li chunling, li junhao, leng zhen, wang xiumin, sun shuangqing, hu songqing, a type of naphthalene modified crosslinking β- cyclodextrin gel, preparation method and application, invention patent, patent number: zl202111211041.1, authorized announcement date: 2022-09-30.

  2. wang zhikun, li chunling, leng zhen, li junhao, lv qiang, wang xiumin, sun shuangqing, hu songqing, a benzene ring modified compound β- cyclodextrin gel adsorbent, preparation method and its application, invention patent, patent number: zl202110592040. x, authorized announcement date: 2022-08-02.



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