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Hangzhou Zhedong Steel Tube Products Co., Ltd. is a modern professional industry and trade combined enterprise, specializing in producing and trading high-precision thick walled seamless steel pipes. We are one of the first to adopt restriction mandrel rolling mill for ASSEL high-precision 80mm enhanced tubes in China.Our products widely include tubes for structures of pipelines, vessels and equipment, tubing and casing, pipes and tubes for ships, tubes for geological drilling, boiler tubes, tubes for conveyance of fluid, seamless steel tubes for gas cylinders, seamless hot-rolled steel tubes for automobiles, cracking tubes, seamless hot-rolled steel tubes for hydraulic pillar service, and drill pipes.Our products exactly follow such standards as GB/T8162-1999, GB/T8163-1999, API SPEC 5D, API SPEC 7, ASTM A106, ASTM A53, DIN, JIS,TP, GB/T 5312, YB235, YB/T 5052, GB3087, GB5310, GB18248, YB/T 5035, GB9948, and GB/T 17396. Providing 'Quality Products, Excellent Service, Competitive Prices and Prompt Delivery', we are looking forward to even greater cooperation with our local and overseas customers based on mutual benefits. We sincerely welcome you to contact us at any time if you are interested in any of our products.