Jiangyin Sundream Precision Steel Tube Co., Ltd specializes in manufacturing precision steel tubes according to EN10305-4(DIN2391), EN 10305-2(DIN2393) and ISO8535-1. Choosing St35\St52 and other high-quality steel bars as raw material, we process raw pipes by cold drawing and cold rolling. The outstanding features of steel tubes are of high accuracy, cleanliness and brightness. After professional heat treatment, the inner and outer walls are without being covered with oxide layer. The tubes have no block for hydraulic oil transport, no seam after flaring and squashing and no deformation after cold rolling. And they also could withstand high pressure. We have a talented team, both in management and in the production lines. They all have rich experience in their fields. Especially the researchers in laboratory apply excellent know-how to ensure the quality and study new technologies. We also enjoy various raw material, multiple production lines, and finished product testing equipments: Chemical properties testing equipments\mechanics laboratory equipments and eddy current equipments. Our products are widely used in automobile\ships and diesel engines. We have already established good cooperation with our customers in different regions in North America\Europe\Middle East\and Southeast Asia with high reputation for our first-class products and professional service.