pipe fittings screw pipe fitting ISO9001: 2000 Approved Process: precision casting & Tooling Standard: JIS, DIN, ASTM,BS OEM pipe fittings screw pipe fittingwe can ... .Weight range: 0.02 to 30kg5.Application: Industrial parts, Machinery parts, hardware, construction parts, valve/valve parts,train,craft, ... polishing,machining,machining center,plating,Heat Treatment,ect. pipe fittings screw pipe fitting