Shenzhen Wangjing Technology Co., Ltd. takes a leading position in the electronic radiation processing field. The ventilator series products have following characteristics, such as low noise, power loss, long life and great wind. We professional ...

Risun Expanse Corp., as a professional R&D and integration of machinery, electromagnetic, electronics into three main areas DC Brushless Motor technology company, not only has successfully innovated domestic first high-performance voice Coil Vibration ...