Butterfly valve We are a venture specializing in the manufacture and export of valves. Our main valve products includes as follows: ceramic valve series, strainer , gate valves, ball valves, check valves, butterfly valves, plug valves, adjust valve, hydraulic control valve, power station valve, telflon lined valves, plastic valves , pipes, castings, safety(relief)valve and so on. Which are widely used in industries, chemicals, water, oil field etc..