1. Cleaning and polishing: If it is damaged, it should be polished, especially scratches and splashes caused by contact with Hexagon Flange Bolt, and damage caused by cutting slag. It must be carefully and thoroughly cleaned and polished.

2. Mechanical polishing: Use suitable polishing tools for polishing, and require uniform treatment to avoid excessive polishing and re-scratches.

3. Degreasing and dust removal: Before pickling and passivation of stainless steel parts, oil, oxide scale, dust and other sundries must be removed according to the process.

4. Water blasting treatment: According to different treatment requirements, choose different micro glass beads and different process parameters to avoid over-spraying.

5. Pickling passivation: The pickling passivation of stainless steel parts must be passivated in strict accordance with the process requirements.

6. Washing and drying: After pickling passivation, neutralization, washing and drying should be carried out in strict accordance with the process to completely remove residual acid.

7. Protection: After the surface treatment of stainless steel parts is completed, protection should be done to avoid secondary pollution caused by personal contact, oil, dust and other sundries.

8. Avoid reprocessing: After finishing the surface treatment of Threaded Rods And Eye Bolts, avoid reprocessing parts or products