Botou Yaxing Fluid Equipment Co.,Ltd(Hebei Huahui Valve Co, Ltd) located in Botou Industrial Zone, Cangzhou City Hebei Province China specialize in designing and manufacturing various kinds of high quality valves and accessories, such as gate valve, butterfly valve, check valve,thread ball check valve,y strainer,cast iron check valve,socket end gate valve, resilient seat gate valve,rubber wedge gate valve,hudraulic control valve(float valve, pressure reducing valve, pressure relief valve, flow control valve, HVAC balancing valve, air release valve,cast iron check valve, pipe fittings etc, which used in water supply and sewage system,fire fighting system, and heating ventilation air conditioning system.