Qingdao Applied Photonic Technical Co.Ltd (APT for short) is a high-tech joint venture specialized in manufacturing, developing andmarketing passive optical components and photoelectric transmission equipment and CATV in phase with international advanced technology. Except the headquarters which located in Qingdao Free Trade Zone, APT also runs its offices both in domestic and overseas(North America,India,Qatar，Australia). With 50 million RMB of registered capital, and covering the...