1.To Ensure High Quality Material: The steel for die-casting is made of high density H13 steel from the biggest steel company in SH. To ensure the durability.
2.Casting a one-time injection molding--By Hongkong Jin 160 tons of die-casting machine. To ensure sufficient pressure and enough density.
Polishing:
1.After Four Processes of different thickness of the sand belt grinding in turn, from coarse to fine
2.Then Two Processes Of wheel grinding.
3.Finally,Qualified inspection By 3-4 Experienced worker.
Chrome Plating:
1.Before Chrome Plating, we do Several Process of cleaning.
2.The pre plated bronze covers the the metal surface.
3.Copper plating
4.Nickel plating
5.Chrome plating.
Sufficient thickness of the plating thickness ensures the product reaching 10 grade after 24 hours of acid salt spray test.