Length: 1~20m as per customer design Technical Test: UST PT and so on Materials: ASTM.DIN,JIS or other International standards CSM® group is one of manufacturing centers of metal products in China, which starts from Xian JinXin Technology Co. Ltd, then set up constantly manufacturing basis in Xian, Baoji, Taiyuan, WuYang and Shanghai.Normal Weight: 0.5T35T; Max. Weight 80T, Max. Diameter 4000mm, ...