20 inch out diameter aluminum pipe

Shijiazhuang Dingsheng Pipe Company is specializing in manufacturing steel pipe fittings for water ,oil and nature gas transmission. With many years manufacturing experience and service, It has been keeping a rapid development since it is found in 1998. For recent 10 years, our client numbers were enlarged from 6 countries to more than 20 countries, It extends to European countries, for instance, Switzerland, Netherland, Spain, Ukraine, Montengro, Finland, etc, which compr...