Our HuaCheng Science & Technology Development Co., LTD ,located in the high-tech development park ofHangZhou, is a high-tech company specializes in researching, manufacturing, marketing,servicing of Ethernet related series products,data communication, fiber optical transmission communication and network insert products. The company has the high technology strength and market competition in the area of date communication , fiber optical transmission communication, the development of software,the design of specific integrate circuit. Our main products includea range of PDH fiber opticalmultiplexer, E+E fiber optical multiplexer, 1+1 two fiber interfaceback-up fiber optical multiplexer,voice fiber optical multiplexer, date video fiber optical multiplexer, fiber modem series, protocol converter series, optical fiber transceivers series, timeslot multiplexer, PAS repeater series ,as10M-100M-1000Mbps Ethernet switches, router, Fiber converter, xDSL and Lan card series and so on .Our general office setup in No.391 wen,er Road West Lake International Science and Technology Building, Hangzhou China with branches hroughout China, we have two factories,one lie in Fuyeongtown Bao??an district Shenzhen china, close to Shenzhen International Airport. Its usable spacetotaled up to 15000m2 with first class equipments and more than 1000 talented and diligent workers.And the other lies in Sandun industrial district Hangzhou china