... and export all kinds of valves Many advanced equipments for precision casting production line, machining line and inspecting line are ... valves,strainers,special type valves,biology food valves,quick joints,pipe fittings,precision castings,machining parts and polishing parts ... DN8 to DN150 for valves, DN6 to DN150 for fittings, DN15 to DN200 for quick joints.The max dimension for casting parts are ...