Yihang Kaitai Co., Ltd.

[ Manufacturer ]Main business are Computer, Instrument, Sensor.

Beijing Yinhe Haoxing Electromechanical Technology Co., Ltd

[ Trader ]Main business are Metallurgical equipment, Electric equipment and Valve, etc.

Beijing Tianda Jingfeng Technological Development Co., Ltd.

[ Manufacturer ]Main business are Energy-saving valve