Qingdao Applied photonic technologies co., Ltd. ( APT for short). ApT was founed in 2002 in Qindao West CoastEconomic Area with 50 million RMB of registered capital, specialized in passive and active optical fibercomponents, 0DF series, and FTTH products such as fiber optical PLC/FBT splitters, patch cords, WDM, FTTHboxes and fast connectors, etc. With intemational advanced technology. Qingdao APT nowadays is the the largest in $handong province in the north of China, and domestic famousenterprise in fiber optical communications industry, APT is one of the major domstic suppliers for the threeoperators of China mobile, China telecom and China unicom, whose products are world-famous in theglobal world. Headquarters located in Qingdao Free Trade Zone in China with branch company in Rizhao and Wuhan. APT isprovided with advanced 6500-square-meter Class 100, 000 cean room with current staff over 350. All productionand inspection equlpments are from US, Japan, Canada, and Taiwan, in 2015, the main business revenue was190 milion RMB, with a profit tax of 12 milion RMB, and total fixed assets of 145 million RMB. APT is also awardedas Qingdao excellent overseas study enterprise, and confirmed as a intermational trading credit company bythe Ministry of commerce. APT is the main support of the independent intellectual property of the high-tech enterprises in Qingdao cityhas a group of optical filber communications sclentific professionals with rich experience in product developmentand technical innovation, stong, scientific research and production technical force. APT cooperates with someuniversities in long, terms such as China Petroleum University, Shandong, University of Science and Technology. Xi 'an Institute of Communications, etc. Which is also the base for its achievements and students' practicatraining, provides continuous technical and personnel support for the company. APT is an l$0 9001: 2015 certified company with TL Certificate in quality management system, environmentmanagenment system, and vocational health and safety management system. Major products with TL certificatesand certificates of Ministry of industry and information, National Administration of Radio, film and Televisionsuch as fiber optical patch cords, PLC splitters, WDM, Splice closure, terminal box, fiber distribution box, fibercross connection cabinet, FITH boxetc.