Guangzhou Heda Ultrasonic Electronics Co., Ltd.

[ Manufacturer Trader ]Main business are Ultrasonic electronic product

Guangzhou Zhongke Xianda Ultrasonic Electronics Co., Ltd.

[ Trader ]Main business are Ultrasonic piezoelectric ceramic

Guangzhou Guangchao Overvoltage Ceramic Industrial Co., Ltd

[ Trader ]Main business are Piezoelectric ceramic capacitance, Resistance.