Qingdao Guangying Company(APT for short) is a high-tech joint venture specialized in developing, manufacuring and marketing of passive optical components and photoelectric transmission equipments and CATV that in-phase with international advanced technology.With headquarters in Qingdao Free Trade Zone.We runs offices in North America and Guangzhou of China.With 20 million RMB of registered capital, and covering an area of 20, 000square meters, is provided with advanced 4500-square-meter Class 100, 00 clean room.All the production equipments and inspection instruments are from the US, Japan, Canada and Taiwan. Qingdao APT is an ISO9000 certified company (by both UKAS and CQC).Our total quality control system ensures that we use the best quality of materials and components, manufacturing procedures, assemblies and packaging for all our ***** China our products have passed the quality certification process of the Ministry of Telecommunication and Information Industry, the State Administration of Radio Film and Television, and they are appraised new high-tech products by Bureau of Science and Technology of Qingdao.Qingdao APT is also confirmed one of 500 Experimental Units of Sincerity of Foreign Trade Corporations by the Ministry of Commerce. Now our company has become the biggest company in optical field of north China. We aim to offer our clients inside and abroad with high-quality products and perfect services.