Quality is our most basic Principle. We always adhere to our Quality Policy of Qualified, Stable and Continuous Improvement.Allrawmaterials are selected from the national leading steel companies, steel grade comply with Q235, Q355, ASTM A572 GR50/60, and EN10025 S355. Thesurface anti-corrosion hot-dip galvanizing process according to ASTM A123, EN1461 and B/T13912 standards, and the minimum average coating thickness can be 65-85 microns or eve 100 microns according to customer requirements. In accordance with the ISO9001 managementsystem, we strictly controls quality input, process control and furnace number tracking, and has established a complete quality file storage and trace-ability system to provide max 25 years quality assurance.