All the products on our website indicate the ranges we can manufacture and our production capability.
|Delivery Time||20~30 workdays|
ASTM, DIN, JIS, EN, ISO, GB
Bubble Wrap, Carton, Wooden Case, Pallet
| Sand casting, die casting, low pressure die casting, Gravity casting and |
Polishing, sand blasting, heat treatment, painting, powder coating,
anodizing, electroplating, Chrome plating, mirror polishing.
CNC turning, Milling, Drilling, Grinding, Cutting, Reaming, Threading
Aluminum liquid refining machine;
Digital controlled lathe;
Low pressure control system;
NC universal tool milling-boring machine;
Heat-treatment resistance furnace;
Abrading cleaning chamber;
Packaging & Delivery
Office & Factory
Oil → washing → rust prevention → washing → surface adjustment → washing → phosphating → washing → washing → drying
Purpose and importance of pretreatment
The purpose of pre-treatment is to obtain a good coating. As the above stamping parts will have oil, oxide rust, dust, rust and corrosion on the surface during manufacturing, processing, transportation and preservation, if not removed, it will directly affect the performance and appearance of the coating.
Meaning of pretreatment
Precoating, coating and drying are the three major processes of coating process, among which precoating is the basic process, which has important influence on the quality of coating, service life of coating and coating appearance.
The surface of the workpiece after degreasing, derusting and phosphating is clean, uniform and free of grease.
If you have any other questions, please feel free to ask.