For automotive construction and maintenance the demand for highest quality automotive parts is no longer behind the supply and we take pride to be listed among to Round Bars Wholesalers and Suppliers. nstee(shanghai)co.,ltd Private Limited owns cutting edge technology equipment and a high end manufacturing facility to deliver seamless pipe,gas cylinder pipe,steel products with unbeatable quality standards. To excel in what we do our manufacturing facility follows a strict quality maintenance system being a legal entity with Have Own Export License. Our business history holds successful 19 Years of export and eventually growing export marketshare that has now reached Australia,Canada,India,South Korea,Vietnam.Headquartered in Shanghai, Shanghai, China, our professional enterprise was first introduced with a total business capital of US$50 Million, in 2001. Combining top notch products, speedy shipping and professional customer support our experience led us to score Below US$1 Million worth revenue in a year reaching export ratio of around Above US$100 Million.