Along with the increasing number of vehicles,parking space becomes narrow gradually,safety parking puts forward higher r......

The 48V system which provides effective solution for fuel reduction,has received attentions from OEM(especially from Chi......

DPL (Diode Pumped Laser) is widely used to the laser indicator system,however,the output optical power would be badly in......

　　The hoop flexible structure has light weight,great flexibility,weak damp and large size.These characteristics cause ......

The controlled volume method of operation is especially suitable for large-scale water delivery canal system with comple......