This is the truck door handle component and its main purpose is to close or open the truck door. Our customers demand cheap prices because of the very large number. Therefore, this product cannot be produced by the silica sol casting process. We use the cheap water glass casting process to produce this part, and through continuous efforts, the precision of the casting has reached the level of the silica sol casting process.
This product also has high corrosion protection requirements, we use Dacromet surface treatment process