botou Dongming valve co., Ltd. is located in the famous" Foundry town " "Green Town" industrial zone, botou, Hebei province, area east of Beijing-Shanghai Railway, 104 national highway, West of 106 national highway, the traffic is very convenient, is research and development, production and sale of heating, ventilation and air conditioning, fire suppression systems, drainage for high-rise buildings, metallurgy system valve bellows of sci-tech enterprise groups. our company products are series of hydraulic control valves, balancing valve, soft sealed floodgate valve, dirt, explosion-proof wave valve stop valve, fire control valve, butterfly valve, electric, pneumatic, hydraulic, manual butterfly valve