Shanghai Dalong Special Steel Tube Co.,Ltd. is located in No.501,Yangnan Road,BaoShan District,Shanghai City,China. It covers an area of ​​34,000 ㎡with 50 million RMB registered fund. We mainly produce and run Austenitic stainless steel seamless tube/pipe,Duplex stainless steel tube/pipe, Nickel   &Nickel alloy seamless tube/pipe,Titanium and titanium alloy, stainless steel fitting&flange.Our products are widely applied in heat exchanger,boiler,petroleum chemical industry,medical equipment,automobile and ship accessories,food processing,nuclear power,construction and other fields.

        Since established in 1990s,Shanghai Dalong Special Steel Tube Co.,Ltd has accumulated rich production experience and constantly improved the production process & quality with a key position in the stainless steel manufacturing industry. We have eight LG60 cold rolling machines, one LG120 cold rolling machine ,one LG420 cold rolling machine, two sets of cold drawing lines, one roller hearth furnace, three straightening machines, four groups of pickling pools, five polishing machines. Besides the regular production equipments, we have patented whirlwind steel peeler which independent development and ten inner-grinding machines which  can remove defect of tube efficiently and so on. Those most advanced equipments greatly improved the productivity and yield; the annual output can reach 10000 tons. At the same time, we have a professional physical and chemical inspection center such as hydraulic testing machine, ultrasonic testing, eddy current flaw detection, the physical and chemical examination, spectrum analyzer, metallography analyzer,etc.Company technical department is guided by technical staff of  the national premium-brand BaoSteel , in order to ensure to obtain the latest technical training and guidance synchronization with premium-brand manufacturers.

Relying on the strong technical force, advanced production equipments,laboratory equipments,testing instruments and strict managing system, continue to provide high-quality products and services. The company has passed ISO9001 and PED certification. With high quality and timely delivery, not only our products are best-selling domestic brand, but also has a good market share and customer satisfaction in the United States, South Africa, Japan, Australia ,Argentina, Chile, Saudi Arabia, Taiwan, Canada and other international markets.

         DaLong insists that the customers are the center, taking the market as the guidance, the quality as the foundation, the good faith as support. Constantly improve our competitiveness in the special stainless seamless steel manufacturing. 

         Thank you for your attention and trust to our products.Wholeheartedly welcome your visit and instruction, altogether casts the “no rust” brilliant!