? Guangzhou Rontto Trading Co., Ltd. Specializes in production and sales: Nickel-cadmium rechargeable battery, nickel-metal hydride rechargeable battery, disposable dry battery, power bank, lithium ion battery, lithium polymer battery, notebook battery, battery charger, injection molding wire and other products, in strict accordance with the ISO9001: 2015 quality management system certification standard organization production and quality control, the company's products are widely used in: Wireless telephone, intercom, power tools, electric toys, emergency lights, flashlights, lawn lights, medical equipment, instruments and meters, resource exploration, household appliances, high-power lighting, outdoor mobile power supply and other fields.

Shenzhen Sunwind Energy Tech Co., Ltd (Dongguan Branch "Liangmi") is a professional high-tech enterprise specialized in Lithium battery research and development, production and sales, committed to building a famous brand in the battery field. We are one of the leading manufacturers in China which have professional battery decoding technology with 19 years of industry experience. Strict quality control system, accurate product positioning, innovative&unique and diversified sales channels, which make our products have a huge market potential. Our company has production base in Hubei province and Dongguan city. Our battery widely use on Mobile phone, Tablet, POS machine, E-cigarette, Bluetooth headset, Wearable and communication equipment and other electronics. Our high technology, superb quality and competitive price with excellent customer service have gained a very good reputation and consistent recognition from our customers.

Wuhan Unique Mechanical And Electrical Equipment Co., Ltd. is a high-tech enterprises with a combination of of science, industry and trade. We mainly engaged in R&D and manufacturing of network center room equipment, such as PDU, ODF, CMA, Fiber Spool Frame, Network Panel, Network Cabinet, OF Jointing Box, Fiber Optic Connector, ADSS Cable, Micro Fiber, Pigtail, Patch Cord, UTP Cable, etc. Provide high level of technical consultation and technical services.

Linpu Instruments a company that has been a distributor and product developer of international adavanced telecommunications measurement instruments far 10 years, has made great progress in this field.

Green Optoelectronics Communication Co., Ltd. is one of the most professional companies specializing in the field of communication instruments and electrical appliances in China, we are offering state-of-the-art & cost effective products and solutions to the global customers in more than 40 countries.

SEIKO FIRE is a professional hi-tech enterprise which is registered as ISO9001, specializing in designing, manufacturing, and selling optic fiber equipment & test instrument.

Shenzhen Hontek Co., Ltd. is a professional international sales company for telecom test equipments. We are the agent of comway, fujikura, sumitomo, exfo, jdsu, anritsu products. At the same time, we have our own factory producing the fiber tester and fiber accessories.

Horizon Technology is located in Wuhan Eastlake Hi-Tech Zone, which is reputed as the "Optics Valley of China". We focus on providing fiber optic connectivity products and solutions to the customers worldwide.

Shenzhen Ouliyang Technology Co., Ltd. is specializing in the research and development, production and sales of new green energy products and lithium battery pack for more than 10 years. The company founder started it with a vision, a vision that wants to give the world new energy, and wanted to make an impact and give wings to their dreams and passions. Till now, Ouliyang products involve portable power station, flexible solar panel, home energy storage system, deep cycle lithium iron phosphate battery pack, replacement drone battery pack, medical battery, two way radio battery and other lithium battery pack that's widely used in ebike, scooter, PDA, POS devices, etc. With the effort of the Ouliyang team work, the company has got UN38.3, MSDS, CE, FCC certificates for the most of products already and build a long term relationship with the clients from the worldwide and get a good reputation from the clients.

Henan Huachuang Communication Equipment Co., Ltd. was established in 2005,covers an area of 3000 square meters,which involves research and development,manufacturing and sale of fiber optic test instrument,fiber optic patch cord series,fiber optic splicer tools,optical passive components,fiber optic cable construction and cleaning tools.with years of hard work and research with great concentration.Our company has got a lot technology patents in the field of optic fiber communication technology development and application.

We, Techwin (China) Industry Co., Ltd was established in 1998, focusing on Cable and Antenna Analyzer, Vector Signal Generator, Synthesized Signal Generators, Vector Network Analyzer, Spectrum Analyzer, Fusion Splicer, OTDR, Optical Fiber Cable, PLC Splitter, Fiber Coupler, Fiber Cable Identifier, Optical Fiber Power Meter, Fiber Light Source, Optical Fiber Ranger, Optical Fiber Identifier, Visual Fault Locator, Optical Fiber Talk Set, PON Power Meter, Optical Variable Attenuator, Optical Tool Kit etc. Our products and Service are exported to worldwide(More than 60 Countries and Regions) and we create USD10, 000, 000 for our annual sales.