Product Information
- The thread is deep, and the thread is neat and clear, and the force is even and not easy to slip.
- The surface gloss is better, and it is as new for 10 years and 20 years
- No rust in humid environment, strong oxidation resistance
- Has super corrosion resistance and is not easy to rust
- Does not release harmful substances, environmentally friendly, non-toxic and non-polluting
