For the heat treating process, we cooperate with the factories that can satisfy different heating needs, both for carbon steel and stainless steel fasteners.
For the surface treating process, we offer all kinds of surface treatments, including Zinc Cr3+, Zinc Cr6+, Yellow Zinc, Phosphate, Black Oxide, High Salt Spray Resistance Coating , Dacro, Nickel, Zinc – Nickel, etc.