A screw refers to a screw (foreign name: Screw). It is a tool that utilizes the physical and mathematical principles of the circular rotation and frictional force of an object to gradually tighten ...
Our company participated in Korean metal week from June 19 to 21, 2019, with 25,192 visitors.Among them, the number of Korean visitors is 22088 and the number of international visitors is 3104.
Int...
Fasteners are a type of mechanical parts that are used for fastening connections and are widely used. Fasteners are widely used in industries including energy, electronics, electrical appliances, m...