Shanghai Dawei Communication Technology Co., Ltd was founded in 2019, comprised of many experienced engineers and designers standing in the forefront of the industry. Dawei specialize in the research and development of high quality communication technology and electronic technology instruments in the age of the Internet globalization and information. Our head office in Shanghai and we provide high quality communication & electronic instruments, and comprehensive testing instruments for the cable and fiber optic.

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.

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 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.

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.

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.