Established in 1998, Shanghai Jingding Electronics Co., Ltd. (JDS), a high-tech joint-stock enterprise specialized in development and manufacture of quartz crystals, is one of the largest domestic manufacturers of quartz crystal resonators and quartz crystal oscillators. JDS has an R&D center in Taiwan and a production base in Mainland China, covering a plant area of 35, 000sqm. With 3, 000sqm of standard intelligent office space, the Company currently owns 850 employees, including nearly 200 technicians. Possessed of advanced production and test equipment which has been imported from South Korea, Japan, and the United States successively, experienced technical specialists, as well as solid technologies and abundant experience in product research and development, the Company has achieved an annual production capacity of 50 million HC-49S crystal units, 35 million SMD crystal resonators, and 30 million various oscillators.

Gezhi Photonics Co., Ltd is committed to being a global influential organization in optical network devices area.

FUJIAN ZHENDA ELECTRONICS Co., Ltd, established in 1993 in Quanzhou City, Fujian Province of Southeast China. We specialize in the development, manufacture, and sale of transceivers, communication equipment and accessories. Enjoying an exclusive location of 30, 000 sq. M.

Shenzhen Yeyang Telecom Electronics Technology Co., Ltd invested by well-known enterprise Beijing Beisi Fiber Equipment Co, Ltd. Yeyang mainly engaged in R & D, production and sales of fiber optic modules, SFP transceivers, Video Digital Optical converter, media converter, fiber cable, fiber optical patch cord, fiber adapter, fiber pigtail etc.

Guangzhou Sintai Communication Technology Co., Ltd. Was established in early 2013. It is a professional manufacturer and service provider of innovative products, which provides high-quality services for domestic and foreign telecom operators and private network industry customers. In addition to telecom operators, they are spread across ISP, IDC, electricity, education, transportation, broadcasting, finance, network security, cloud computing, etc. Industry.

Quanzhou Wouxun Electronics Company Limited was founded in 2000, ocated in Quanzhou city Jiangnan high technology industry zoon. Company's professional production and sales WOUXUN brand serial wireless interphone, walkie talkie, radios, battery charger etc, communication apparatus. The company were certified by ISO9001: 2000. That indicate our product and service of our company have a reliable quality assure.

Mainly deal with network products such as router, modem, ethernet switch, HDD enclosure, card reader, tablet PC and other computer parts. Optic fiber items such as optic fiber cable, optic media converter, fiber media transceiver, etc.