???Sharetop Technology Co.ltd is a high-tech corporation specializing in researching and manufacturing broadband networking access equipment,It is located at the Yingtai industrial district of Shenzhen Hualong New developed area. The product consists of two kinds,of which one is active optical components mainly composed of EOC,EPON,Transceiver,Optical Module etc.the other kind is the passive optical components mainly composed of CWDW,DWDW,Branching Units,Circulator,Optical Switch ...