ChengJie communication technology Co., LTD. In 2004 was registered in shenzhen sez, has been committed to the optical industry production and business operation and product research and development, the company founders had in America REDHAWKcompany do technology r&d, for ten years or above experience in the r&d and production of optical fiber communication products, with the professional development and top 20 technicians above, this company is a manufacturer of optical fiber series products are service and China telecom, China netcom, public security, intelligent building etc., products in the international market share in also growing.This company produces the advantage products: fiber optic jumper cables, optical attenuator, light optical distributor, adapter (alien adapters), Ethernet optical transceiver, etc.ChengJie company existing line big line SanShiTai four, grinding machine, workshop ?