... suitable a variety of indoor and outdoor venues.China’s coal industry, CNPC,Sinopec,CNOOC,electric power,metallurgy,railway,steel, ... metal halide and high pressure sodium lamps and a variety of power of two according to the working environment, lighting characteristics and ... the job site needs. The introduction of universal thread cable port, can be adapted to Φ8-Φ14 mm diameter cable into different; ...