Sinupower Heat Transfer Tubes Changshu was founded by Mr.Robert Gao, together with a group of elite performers who have worked previously in top 500 world-class companies.Sinupower develops, manufactures and sells aluminum-based and new energy oriented precision tubing of various thickness, shape and size, such as Folded tubes,Rectangular tubes,Flat oval tubes,Round tubes, D-type tube, and many other tubes dedicated to the energy-saving and environment protection applications.