Zhi An Da Steel & Aluminium Product Co., Ltd was found in 1993. Start with window accessory and aluminium frame. Over 15 years grow, we have diversified our product into 5 major category: aluminium profile; window and door accessory; furniture hardware; electrical appliance part and auto accessory. We have varied of production ability such as: extrusion; casting; rolling; bending; stamping; welding and computer numerical control(CNC). For the surface treatment, we have painting; powder coating; anodizing and coloration and wood grain transfer to meet different clients need around the world. We have walked through a long path and we have become the expert in the field of ferrous and non ferrous product.In order to secure the raw material supplying, we also invest on the production of aluminium extrusion profiles, with the finish of anodize; electrical phoresis; powder coating and wood