ZheJiang Ningsheng Steel Pipe Co., Ltd.

We, Zhejiang Ningsheng Steelpipe Co.,Ltd. is a professional manufacture of SAWL(submerged arc weld Longitudinal ) steel pipe by JCOE forming based in Ningbo,China.   Our company shortly presentation as following: 1, Manufacture standard: API.5LPSL1 and PSL2;ASTM A671/A672/A691;GB/T9711   2, Material：Q245R、Q345R、15CrMoR、09MnNiDR、16MoDR、L245～L485（NB、MB），X42～X70（N、M）；A516Cr70（A671 or C70 of A672 and CC70、CL11.12.13.22.32.42），Cr（A691.CL22.32.42）etc..   3）Outside diameter：φ406mm～1626mm(big outside diameter of SAWL )　 φ400mm～3500mm（longitudinal splice welded SAWL）　 4）Thickness：6mm～50mm（big outside diameter of SAWL） 　            6～100mm（longitudinal splice welded SAWL）   5）Length：6M～12M（big outside diameter of SAWL） 1M～40M（longitudinal splice welded SAWL） 6) Heat Treatment: Furnace(13500×6000×3500mm),temperature≤1000℃（±5℃）   7）Finished：printing mark; coating; beveled; ends protector and bolster.   We have following qualifications： 1) ISO9001:2008; 2) ISO14001:2004; 3) OHAS18001:2007; 4) 97/23EC,Annex I, Section 4.3 and EN764-5,Para.4.2 by TUV SUD; 5) DNV; 6) API-5L（A1 level）; 7) Manufacture License of Special Equipment of R.P.C.(A1 level); 8) Special Equipment Test Certifications for ASTM A691;A671;A672 and GB/T9711; 9) Work Safety Standardization certification; 10) Radiation Safety License.   Warmly welcome your serious enquiry and pleasure to offer quotation for you anytime. Best Wishes Tony Zhang   ZheJiang Ningsheng Steel Pipe Co.,Ltd. Add.: No.388 Baotao Road Cidong Industrial Zone Cixi,Ningbo,Zhejiang,China