Hebei Huahui Valve Co.,Ltd (Botou Yaxing Fluid Equipment Co.,ltd) specialize in designing and manufacturing various kinds of high quality valves & accessories,such as: Gate valve,Butterfly valve,Check valve,Strainer,Hudraulic control valve(float valve,pressure reducing valve,pressure relief valve, flow control valve) ,HVAC balancing valve,Air release valve,Rubber flexible joint and Stainless steel flexible joint,Pipe fittings(unicersal coupling, flange adaptor, repair clamp, saddle...) etc, which used in water supply and sewage system\ fire fighting system, and heating ventilation air conditioning system.