All high alloy steel sold by the company are from domestic steel mills, including Shanghai Baoshan Iron and Steel, Valin Steel, steel smelting Hubei and Shandong Lu Po, Anshan Iron and Steel, Chengdu, Tianjin and other major steel mills. Standing alloy tube material include: 15CrMo, 12Cr1MoV, 16Mn, 37Mn5,12Cr2Mo, 35CrMo, 42CrMo, 27SiMn, 10CrMo910, Cr5Mo, Cr9Mo, 1Cr5Mo, T91, steel research 102,40Cr, P22 and so on. Alloy seamless steel pipe operations are the implementation of International Standard: GB8162-2008 (structural pipe), GB8163-2008 (fluid pipe), GB3087-2008 (low and medium pressure boiler tubes), GB5310-2008 (high-pressure boiler tubes), GB6479- 2000 (fertilizer dedicated pipe), GB9948-2006 (petroleum cracking tube) and so on. Established over the years, Zhejiang round punch, and always in the "contract and keep credibility," business philosophy and services aim to provide quality products and service to our customers, to get all the new and old customers the support and praise . After years of operating in Jiangsu round punch, with the major steel mills have established a solid supply system, with the use of units to establish a good sales system. Company to new and old customers solemn promise: The company sold all of high alloy steels are in line with national standards to ensure product material, to ensure product quality, so you reduce the worries! All employees of the company warmly welcome new and old friends visit, patrons, guidance, calls business negotiations, let us join hands to create brilliant! The company is a large North gb6479 seamless, seamless 9948, 6479 seamless steel pipe, 16mn seamless steel pipe, oil cracking pipe, | the fertilizer sales business. Location, transportation is very convenient. High-pressure boiler tube varieties I operated by the company, superior quality round punch processing, reasonable price, my unit with a good reputation, perfect service, adequate supply in the domestic industry reputation!