... etc. Stainless steel ball valves, gate valves,globe valves,check valves,butterfly valves,strainers,special type valves,biology food valves,quick joints,pipe fittings, ... steel. Sizes are from DN8 to DN150 for valves, DN6 to DN150 for fittings, DN15 to DN200 ... was appraised Shandong Famous Brand. The products are widely used in such industries as petrochemicals, pharmaceuticals, breweries, environmental ...