The influence of surface treatment process on the performance of ordinary irregular pipes
1. Rust and corrosion resistance performance (core impact)

History has entered modern industrial society, and the metal hardware products industry has developed rapidly. The hardware industry has played an immeasurable role in the development of the national economy, and hardware products have become an indispensable industrial link in industrial manufacturing.
But rather as supporting products for industrial manufacturing, semi-finished products, and tools used in the production process. Only a small portion of daily hardware products are essential tools for people's daily lives.