Changzhou Tongchuang Tube Industry Co.,ltd located in the Changjiang River Area and surrounded by Hu-Ning Raiway , Changzhou port , Zhang Jiagang port , Shanghai Port ,and National Highway. Our main product scope has Medium-Low Pressure Boiler Tubes , Vehicle Tubes , Cold Rolled Precision Tubes ,Shock Absorber Tubes, Bicycle Connector Tube, Chemical Fertilizer Tubes, Heat Exchanger Tubes, Petroleum Cracking Tubes , Chains Tubes ,Bearing Steel Tube, Marine Tubes , all kind of alloy steel tubes on 10#, 16mn,35#,45#,40Cr,42CrMo,20CrMo and so on ,Our production capacity is up to 25.000tons per year . Specification of tubes from ÿé10--ÿé160 could be ordered by customersÿ® require. Our company has invested 2,500,000 USD in the first term and occupied an area of 60,000 square meters till now! At present, there are more than 1000 employees including 15 technicians with senior professional title , and 8 technicians with medium-class professional title .Hence, our company has become a professional manufacturer in the line of producing and silling high quality seamless carbon and alloy steel tubes and pipes.