Good quality control system which covers every process of the manufacturing-Raw material inspection,cutting,bending,sizing,shot blasting,beveling,coating,marking,packing,delivery.
· Raw material: Formal Mill Test Certificate
· Wall Thickness: Not less than 90% of Nominal Thickness
· Painting: Bright, Antirust long time
· Print Mark: Clear,Neat,Comprehensive
· Packing: No Fumigate Wooden Case/Pallet,Firm,Regular,Easy load/unload