our company-shandong liaocheng zhongxing steel pipe co.,ltd ,established on 8th ,1998 . lies in liaocheng city, is the one of the biggest seamless steel pipe produce base in china. our company is a large corporation of gather of manufacture and trade . covers 10,000 square meters area. there are 2,500 staff, integrate produce, sale and storage. produce quantity 150,000 tons per year. we mainly produce that diameter from 1/8 inch to 12 inch, wall thickness from 1.2mm to 40mm. we also deal in other famous steel pipe factories big and small out diameter pipes. they are widely used in the fields of food processing, medicine making, petro-chemical, chemical, machine building, power, auto-making, ship building etc. material and standard as bellow, material:10#,20#,35#,45# 40Cr,16Mn,20Cr,40Cr,35CrMo,42CrMo,12CrMoV,10CrMo910,12cR1MoV,15CrMo etc. standard:GB/T8162-1999 structral seamless steel tube, GB/T8163-1999 fluid seamless steel pipe , GB/T3087-1999 boiler tube, GB/T5310-1999 high-pressure boiler seamless steel pipe . we are increasingly producing and sourcing more innovative and appealing products. Looking forward to cooperating with customers new and old, domestic and worldwide, our motivated staff members are willing to fulfill your orders. we will as the good quality, knight sarvice, competitive price, delivery earliy cooperation with you. if you are interest in our product, i am happy you can contact with us anytime.