OD: 21.3-219mm 1/2"-8" WT: 1.5-8.18mm Technique: ERW Surface treatment: zinc coating: 80-120g/sqmEnd treatment: beveled,screwed and socked, plainEnd Protector Plastic cap, coupling( socket), nipple, elbow, tee, flange and some other pipe fittings,Secondary,OFFICE AND LAGE STOCKRemark1) Contract Manufacturing: OEM Service Offered, Design Service Offered, Buyer Label Offered2) Small quantity is ...