Hardware parts surface treatment is another common post-treatment process, and its surface treatment can be subdivided into: painting, electroplating, surface polishing, etc.

1. Spray painting processing: At present, most hardware factories will adopt spray painting processing technology when producing large hardware products, and use spray painting processing to avoid rust of hardware parts, such as electrical enclosures, handicrafts, etc.

2. Electroplating process: electroplating is a common processing process in hardware parts processing. The surface of the hardware parts is treated with modern electroplating technology to ensure that the products will not be mildewed or embroidered after long-term use. Common electroplating processes include: screws, stamping parts, auto parts, small accessories, etc.

3. Surface polishing process: surface polishing process is generally used for daily necessities. For example, for hardware products processed by surface burr, spiral bevel gear parts are processed. Spiral bevel gear is a metal part formed by stamping. The stamping angle of spiral bevel gear is a very extensive gilding process, especially for some products that are easy to pilling and burr, polishing is an essential step.

To sum up, there are many kinds of hardware parts processing with different specifications, which need different processing processes and steps to help complete. There is also the complexity of the process. For example, simple hardware parts processing can be basically done in a small factory or street shop. There is no need to repeat the comparison. If it is more complex and requires high precision, repeated comparisons between manufacturers are also common.