The main function of the screw is to connect the two workpieces together and play the role of fastening. Screws are an industrial necessity indispensable to daily life: tiny screws used for cameras, glasses, clocks, electronics, etc.; General screws for TV, electrical products, Musical Instruments, furniture, etc.; As for engineering, construction, bridge is the use of large screws, nuts; Transportation equipment, aircraft, trams, cars and so on for the size of the screw.

Screws are widely used, ranging from small furniture appliances to the famous building in Beijing, China - the Bird's Nest, which cannot be separated from the application of screws. Not only that, we also participated in the construction of the Sino-Vietnamese Railway and made outstanding contributions to the construction of the “Belt and Road”. Our goal is to protect manufacturing around the world.