Zhejiang Longda Water Technologies Co.,Lt, established in 1993. Professional China Gas Valve Manufacturers and brass Gas Valve suppliers. Longda Brass Gas Ball Valve are mainly apply to the field of the controlling system for the Hot/Cold water , heating, gas and chemical etc. The products are mainly exported to West European Countries, U.S.A, South America and African countries. We have about 220 employees including more than 50 powerful technical force. We also OEM/ODM. Bulk order Gas ball Valve from our Factory and get cheap price. All valves perform well particular in US Market.