| Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd. We are a factory in China, professionally manufacture & supply cold-drawn and cold-rolled precision seamless steel tubes. They are widely used in automobile, hydraulic & pneumatic cylinder, mechanical machinery, shipbuilding, oil drilling, nuclear st... We are regularly Selling: bao steel st45 sae1020 tube for automobile cylinder liner sleeve, precision seamless pipe suitable for auto parts and motorcycle parts, din2391 st52 steel ready to hone tube for hydraulic cylinder, automobile tube, en10305-1 e335 mechanical tube, sae 1045 steel precision tube for hydraulic jack, st45 st52 cold-drawn seamless steel tube, geological drilling pipe astm a 519 sae 4130 steel, alloy and carbon seamless steel pipe. Member since 12 March, 2014, China - Zhejiang |