Zhejiang Ruimai Stainless Steel Tube Co.,Ltd is a prime quality manufacturer of stainless steel seamless pipes and tubes used in oil and gas production facilities, hydraulic systems, heat exchanger and boiler manufacturing, ship building, chemical and power plant installations, and other piping systems. Our main products including hydraulic pipes, instrument tubing, heat exchanger tubes, bright annealed tubes cover full range of austenitic stainless steel grades and duplex / super duplex steel grades, including wide range sizes.