Zhejiang Dongyi Electromechanical Technology Co.,Ltd was founded in 2011, which is the top class manufacturer of the refrigeration valves in China. The annual capacity of the valves can reach 2 million sets, ranking the forefront in the field of refrigeration and air conditioning system’s valves in China. And we have our own self-managed import and export right.

Dongyi Technology devotes itself in the R&D and manufacture of various valves in refrigeration and air conditioning system for decades. The valves mainly include automatic control series valves such as stop valves, pressure regulating valve, oil temperature control valve for refrigeration system pipe use. And steel series valves such as rotary lock valves, rhombic flange valves, and oil circuit stop valves for refrigeration compressors and pressure vessels use. Our valves can be widely used in semi hermetic refrigeration compressor, screw compressors, refrigeration and air conditioning pipelines.