... strength member, Tight tube PVC or LZSH Polyolefins, Indoor fiber optic cable for building wiringNonmetallic strength member, Tight tube ... cable, fiber optical power composite cable, indoor cable, butterfly lead-in cable, PLC splitter, FBT coupler, and optical connectors, etc ... and manufacturing of indoor cables and passive optic devices. The butterfly lead-in cable and PLC splitter developed in 2010 ...