Changzhou Darun Steel Tube Co.,Ltd. specializes in the production of OCTG linepipe, oilcasingand tube,seamless steel tubes for boiler, structrue and liquid service according to ASTM,JIS,DIN API (API 5CT,API 5L Licence No.5CT-0704,5L-0520) etc. The annual Output reaches 200,000 MT.

China

Pipe / Profile Manufacturer

http://www.czdarun.com