We are manufactur Electronic Equipments, Pest Repeller, water treatment equipment etc. and General Merchant, Electrical overhead line materials, have long manufacturing experience of different Types Repellers. Supply to Govt., Semi MultiNationals, ...

Established in 1999, Beijing Cheng-cheng Weiye Science and Technology Co.,Ltd is a professional manufacturer specializing in ultrasonic transducers, ultrasonic apparatus and piezoelectric ceramics.