Zhejiang Nanhua Steel Tube Manufacturing Co.,Ltd is located in the famous business city of Wenzhou in 1994, possessing registered capital more than 10million RMB. After over 10 years' efforts,the company has become a comprehensive manufacturer which is integrated with production ,market and research. The management of the company and its employees shall work continously and collectively to go further. 

　　In order to ensure the quality of the products,we imported many advanced equipments from Germany,such as AOD concise stoves,650rolling mills, different types perforations,cold-drawn machines production lines,cold-drawn production pipelines,Mechanics test,Ultrasonic test,Eddy current test,Hydro test,spectrum instrumnent and other related physics and chemistry equipments.All our products are authenticated by ISO9001:2000

　　The main...