BOTONG METAL TECHNOLOGY (ZHEJIANG) CO., LTD; is a cutting-edge manufacturer of seamless stainless tube and pipes, including seamless steel pipe, pipe for hydraulic instrument, condenser tube, BA clean pipe, etc. The facility covers 18000 square meters with 120 employees. Company applies advanced precision cold rolling and cold drawing production equipment and a variety of inspection equipment. We supply TP304/304L、TP316/316L、TP321/TP321H、TP310S、TP317L TP347H、TP316Ti austenitic, UNS S31803、UNS S32205、UNS S32750 duplex stainless steel, Nickle-alloy steel and Monel under GB, ASTM, JIS, DIN and EN standards. Only certified raw material will be qualified for manufacturing, the strictly controlled manufacturing process and cutting-edge technology of bright annealing assures the exceptional quality of our products. We are able to fulfill 200 tons/month capacity. O.D. range covers from 3.18mm to 60.30mm.