The river north 鑫 prosperous steel pipe limited company is the camp beautiful mark and don't sew steel pipe particularly, the beautiful mark welds steel pipe, the beautiful mark plates zinc steel pipe, day's marking didn't sew steel pipe, the day mark welded steel pipe, the day mark plates the zinc steel pipe etc. export steel pipe of large export company.Product material mainly is:STPT370, STPG370, ASTMA53, ASTMA106-B, St33, St37, St42 etc.s.The product carries out GB/T8163, the AP15 L standard, being been applicable to coal gas, water...etc. extensively to lose the pipeline, city concentration at growing to be provided for heat to take care of a net.The product has strength high, bear to press high, service life long etc. many advantages.