Yangtze Optical Fibre & Cable Joint Stock Ltd. Co. engages in the development and manufacture of fibres and cables for the optical communications industry. It operates through the following segments: Optical Fibres and Optical Fibre Preforms, Optical Fibre, and Others. The Optical Fibres and Optical Fibre Preforms segment is involved in the production and sales of optical fibers and optical fiber preforms. The Optical Fibre segment focuses on the sales of optical fibre cables. The company was founded in May 1988 and is headquartered in Wuhan, China.

Quzhou Power Supply Company of State Grid Zhejiang Electric Power Co., Ltd., established on 1995-03-02, Business scope includes power supply;Design and construction of power transmission and transformation projects.

Yangtze Zhongli Optical Fibre & Cable (Jiangsu) Co. Ltd. is a Chinese private company located in Changshu that manufactures electrical equipment and optical fiber.

Guangdong Guozhi Laser Technology Co. Ltd. is a company headquartered in China that manufactures industrial lasers and core devices.

OFS Fitel manufactures telecommunications and specialty optical fiber products. It designs, manufactures, and provides optical fiber, fiber optic cable, connectivity, FTTx, and specialty optical fiber solutions for telecommunications, medical, industrial networking, sensing, government, aerospace, and defense industries. OFS Fitel’s product portfolio includes the first application specific fiber, the first optical connectors, the first ribbon cables, the first attenuators, the first hard clad silica fibers, and various additional products. It puts its development and manufacturing resources to work in applications for the home, for customer premises, through cities, and across countries. OFS Fitel delivers solutions from wind power farms to the surgical suite. Its products and solutions help service providers, municipalities, network operators, and home developers meet the demand for bandwidth. Founded in 1876, It is headquartered in Norcross, Georgia.

Part of Corning, Inc., Corning Research & Development Corp. is an American company. The firm engages in scientific research and development.

Suzhou Duodao Automation Technology Co., Ltd., established on 2015-09-08, Business scope includes electromechanical technology,mechanical technology,automation technology,Material Technology,computer,Technology development in the field of network technology,Technical Services,technology transfer,technical consulting;computer system integration,computer,Software and Auxiliary Equipment,Mechanical equipment and parts,Electrical equipment and components,Electrical control equipment and components,building materials,metallic material,Wujinjiaodian,electronic product,furniture,household products,Sales of daily necessities;Production of textile equipment and parts,Sales;Self-operated and agent import and export business of various commodities and technologies.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) General project:sales agent;Sales of knitted textiles and raw materials;Chemical product sales(No licensed chemical products);Non-residential real estate leases(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Bwt Beijing Ltd. is a company headquartered in Beijing, China, that wholesales semiconductor laser devices. Xiao Hua Chen is the CEO, in this role since 2003.

Wuhan Raycus Fiber Laser Technologies Co., Ltd. engages in the research and development, production, and sale of fiber lasers and core devices. Its products include fiber delivered direct diode lasers, quasi-continuous fiber lasers, single module continuous wave fiber lasers, short-pulse fiber lasers, q-switched pulse fiber lasers and high-power multimode continuous fiber lasers. The company was founded by Yan Da Peng on April 6, 2007 and is headquartered in Wuhan, China.

Jiangsu Zhongtian Technology produces marine equipment, submarine power cables, renewable energy, new materials, smart grids, industrial equipment, optical communications, and other diversified industrial products. They are engaged in optical fiber and optical cable machine research.

Taizhou Tonghe Laser Technology Co., Ltd., established on 2021-06-22, Business scope includes general items:Optical Instrument Manufacturing;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Instrument Manufacturing;Manufacturing of electronic measuring instruments;Manufacturing of other general instruments;Electronic special material manufacturing;Research and development of special electronic materials;Manufacture of new membrane materials;Sales of new membrane materials;Optoelectronic Device Manufacturing;Optoelectronic Device Sales;Manufacturing of Power Electronic Components;Sales of power electronic components;Manufacturing of experimental analysis instruments;Experimental analysis instrument sales;Metal cutting and welding equipment manufacturing;Metal cutting and welding equipment sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Import and export;Technology Import and Export(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results).

Jiangsu Nanfang Communication Technology Co., Ltd., established on 1992-07-27, Business scope includes fiber drawing,fiber optic cable,Optical Fiber Preform,Special Communication Cable,Communication Cable,Marine cable,mine cable,digital cable,enameled wire,Communication equipment and accessories,Electronic Component,Optical Devices and Sensors,Fiber Optic Sensor,IoT Devices and Accessories,Power supply and distribution equipment,Air conditioning and refrigeration equipment,Research on Monitoring Equipment,to develop,manufacture,Sales and Technical Consulting,technology transfer;Manufacture of plastic industrial parts,Mechanical parts processing;Self-operated and agent import and export business of various commodities and technologies,Except for commodities and technologies that are restricted by the state to be operated by enterprises or prohibited from import and export.(Except those involving national special management measures;Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Lighter Technology (Shenzhen) Co., Ltd., established on 2003-06-19, Business scope includes general business items:,The licensing program is:Research,design,to develop,Production and operation of new electronic components,Fiber-Specific Tools and Equipment,Energy-saving lighting products and their equipment,Optical communication products and equipment,High power laser related equipment and components,High reliability optical fiber and optical laser equipment and components,module,Fiber Optics and Optical Sensors,Optical fiber and optical sensing related equipment.Wholesale of the above products,technical consulting,After-sales service,Import and export and related supporting business(Commodities that do not involve state trade management,Quota involved,Commodities managed by license management and other special regulations,Apply in accordance with relevant national regulations).

Siyang Tenghui Optoelectronics Co., Ltd., established on 2021-01-21, Business scope includes licensed projects:Import and export;Technology Import and Export(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results) General project:Optical Fiber Manufacturing;Fiber sales;Manufacturing of photovoltaic equipment and components;Photovoltaic equipment and components sales;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Sales of electronic special materials(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Jiangsu Huamai New Materials Co., Ltd., established on 2018-04-04, Business scope includes optoelectronic product manufacturing,Sales;Communication optical fiber,fiber optic cable,Optical Fiber Composite Insulated Cable,Optical fiber composite overhead ground wire,Photovoltaic modules,inverter,Research and development of new optical fiber materials,Production,Sales and after-sale technical service;computer,electronic product,Research and development of communication electronic products and software systems,Production,Sales;Communication system integration and equipment installation and after-sales technical services,technical consulting,technology transfer;smart home,Design of Building Intelligent Engineering,construction;Construction Project Management;Communication engineering professional contracting;Wire and Cable,Electrical equipment,Metal manufacturing,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) food business;food business(Selling prepackaged food);food business(sell bulk food);Food import and export;Import and export;Technology Import and Export;Import and export agency;Sales of formula food for special medical purposes(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results) General project:Wholesale of edible agricultural products;Sales of non-metallic minerals and products;Metal Products Sales;Metal Ore Sales;Sales of metal chains and other metal products;Non-ferrous metal alloy sales;Metal Material Sales;Pigment sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Shenzhen Pengxiang Yunda Machinery Technology Co., Ltd., established on 2007-07-12, Business scope includes general business items:baking equipment,New energy production equipment,Experimental equipment,Electronic and electrical products,R & D and sales of various machinery and automation equipment;Automated logistics system,Robot Manufacturing and Application;Domestic Trade,Import and export of goods and technology(law,Administrative regulations,Except for items that are subject to approval prior to registration by decision of the State Council).,The licensing program is:baking equipment,New energy production equipment,Experimental equipment,Electronic and electrical products,Production of various machinery and automation equipment;Automated logistics system,Robot Manufacturing and Application.

Suzhou Guangzhuo Communication Technology Co., Ltd., established on 2016-03-21, The scope of business includes engaging in communication,energy,Technology development in the field of electronics,Technical Services,technical consulting;electronic device,Research and development of network and data communication products,Production,Sales;Engaged in the import and export business of the above products and technologies.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Yinuo Instrument (China) Co., Ltd., established on 2010-03-10, The business scope includes communication equipment such as optical fiber fusion splicers,equipment,Instrumentation,smart home,Research and development of computers and their software,production and sales;real estate lease;Property Management Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shandong Zite New Material Technology Co., Ltd., established on 2021-11-18, Business scope includes general items:New material technology research and development;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;New material technology promotion service;Environmental protection special equipment sales;Electrical Equipment Sales;Sales of electronic components and electromechanical components;electronics sales;Electronic Components Retail;Wholesale of electronic components;Sales of electronic measuring instruments;Resource recycling technology research and development;Domestic trade agent;Optical Instrument Sales;Optoelectronic Device Sales;Manufacturing of other electronic devices[Branch operation];Optical Instrument Manufacturing[Branch operation];Manufacturing of experimental analysis instruments[Branch operation];Manufacturing of other general instruments[Branch operation];Experimental analysis instrument sales;Optoelectronic Device Manufacturing[Branch operation].(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Suzhou Radium Laser Technology Co., Ltd., established on 2015-10-12, Business scope includes laser equipment,automation equipment,Electronic product development,Sales;R&D of metal products,Production,Processing and sales;Technology development in the field of optoelectronic technology,Technology Transfer and Technical Services;Photoelectric products,Sales of electronic components;Self-operation and agency of various commodities and technology import and export business.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)