Nanjing World Special Steel Co., Ltd. Is a professional manufacturer of stainless steel pipes with annual capacity of 6000 tons. We boast advanced production equipments and sophisticated production technology. We have complete lines of cold drawing benches, including two imported hydraulic benches for big OD pipes, cold pilger mills, natural gas heat treatment furnace, etc, which are necessitated for producing good quality pipe and tube. In order to guarantee 100% customer satisfaction, We invest heavily in the testing instruments., just to name a few, Thermo Fisher stationery spectrometer, Niton XL3 handheld analyzer, universal tensile tester, inter-granular corrosion testing instrument, metallographic tester, hardness tester, impact tester, eddy current tester, ultrasonic tester, hydrostatic tester.