Shenzhen Gangwenjing Communications Power Co., Ltd. is a professional communications company that is engaged in various communications equipments and optical fiber equipments research, development, production, sales and technical service.There are many High-precision testing equipments, including the imported (HP) vector network analyzer, Aidewan Network Analyzer etc. We have an experienced advanced technology team for the research and development of the communications equipment and the optic fiber equipment. Our professional, diligent, credible, and united staff is the driving force of the company. Our products have been designed and produced under the ISO9001: 2000 quality management system standards.