Qingdao Applied Photonic Technologies Co., Ltd (abbrï¼?APT) is a high-tech joint venture specialized in development, manufacture and marketing of passive optical components and photoelectric transmission equipments and CATV that with international advanced technology. Qingdao APT located in Qingdao Free Trade Zone, China. With 20 million RMB of registered capital, and covering an area of 20, 000 square meters, APT hold advanced 4500-square-meter Class 100, 000 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 quality control system ensures that we use the best quality of materials and components, manufacturing procedures, assemblies and packaging for all our products. In 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. 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 optic filed in north of China. We aimed to offer our clients domestic and oversea with high-quality products and perfect service.