Zhejiang Xintongda Special Steel Manufacturing provides fluid process connection solutions for oil refining, petroleum, chemical industry, power station, mining, papermaking and other industries, and also provides pipeline products to meet and solve customers' problems under harsh working conditions.Xintongda has invested several hundred millions to additional automation equipment's, to produce international standardgood-quality steel products by the internationalization of the production facilities.lf we want to do something perfect, we need to prepare the best tools first.Sophisticated equipment on behalf of an enterprise has a strong production capacity and to ensure excellence quality. Advanced and sophisticated productive equipment ensure the quality of products.Standard management system ensures the production and processing strength of Xintongda. On the past 30 years, we only produce the stainless-steel seamless pipe and tube. Duplex and super duplex steel seamless pipe and tube, and Nickel alloy steel pipe and tube.Our goal is to be a world-class pipe manufacturer, providing high-quality Austenitic stainless-steel pipe/tube, duplex stainless-steel pipe/tube, and nickel alloy pipe/tube to the world.Size range:Outer diameter :1/8 "to 36" (6-914mm)WT: 10S to XXS (1mm-45mm)"Survival by quality, development by efficiency, return to customers with honesty and trustworthiness" is our aim. We look forward to establishing long-term and win-win cooperation with you.