A "silk" meticulous
We will scrupulously do each screw well and apply it to all kinds of bicycles, auto parts and sports medical products. The auxiliary products play the most practical value and realize the big effect of the small screws.

Three interest

To cooperate with "benefit"
Each team is composed of N screws, we will follow the screw spirit: stable, compressive, unknown, the development of practical and operable metal products, concerted efforts, striving forward.