... price 3.ISO,CE,ANSI certification 4.LR,SR 5.Seamless welded BendsPurpose:Bends are the pipe fitting Used in change ... different forming technology. At present, the manufacturer of the commonlyused seamless elbow forming technology are hot pushing, stamping, extrusion etc. According ... can produce many kinds of pipe bends. pipe bends:Size:seamless fittings 1/2" - 20" (DN15 - DN500),welded fittings 1/2 ...