• Fasteners, parts and products for linking: bolt/nut/ screw/rivet/column bolt/gasket/assembly unit/coupling and the related products

2.  Fastener production equipment (forming machine, cold mound machine, end cutting machine, heading machine, rubbing gear machine, tooth rolling machine, stretching machine, wire drawing machine, automatic screening machine, vibration plate etc) and screw mould;

• Matching raw materials for fasteners and spring production(spring steel wire, stainless steel wire); spring equipment (numerical control rubs the reed machine, testing machine etc)
• Tools for fastener application and fastening system;
• Detecting apparatus and machinery, all kinds of parts and the related technology and equipments.
• Washer and equipment