Wind Power New Energy Steel Doorframe

Products Wind power doorframe flange, material including: Q355ND, Q355NE, S355J2+N, S355N, S355NL. Process Raw material incoming test→ Cutting→ Heating→ Forging→ Heat treatment→ Rough Machining→ UT Test→ Finish Machining→ Final Inspection→ Stock & Delivery Quality Assurance System     -Certificate of Conformity of the Factory Production Control   : Hot Rolled Productes of Structural Steel  (CE)      -Managment system as per GB/T 19001-2016/ ISO 9001 : 2015  (TUV NORD)     -Managment system as per GB/T 24001-2016/ ISO 14001: 2015  (TUV NORD)     -Managment system as per OHSAS 18001 : 2007  (TUV NORD)     -TUV NORD Systems Gmbh & Co. KG  (TUV NORD) About us Shanxi Tianbao group CO., LTD is one of the most professional wind tower flanges company. Established in January 2008, located…