Qingdao Jintong Jiaxin Import & Export Co., Ltd. is located in Qingdao, a beautiful port city in Northern China, with convenient transportation and superior geographical environment. Our co***ny is an optical communication high-tech enterprise integrating R&D, production and export. The co***ny has a core system of advanced optical cable production equipment and testing instruments. Continuous innovation, including the development of indoor optical cables and outdoor optical cables used in the communication...