Material: Terminal/shrapnel: red copper, brass, phosphor bronze, beryllium copper, cupronickel, nickel, iron, stainless steel, Monel, etc.; Contacts: sterling silver, fine-grained silver, silver nickel, silver cadmium oxide, silver tin oxide, silver copper, gold-silver alloy; self-made or imported wire; Specification Type: 1. Stamping + button-type contact welding + testing: 2. Stamping + three composite strip welding + testing: 3. Stamping + feeding (round/square) line (single/double-sided) welding + detection: application: All kinds of electronics, electrical appliances, small household appliances, wires and cables, switches and sockets, protectors, thermostats, etc.; advantage: 1. In order to solve the problem of missed welding, virtual welding and low production capacity in manual spot welding, special welding equipment imported from abroad was introduced. To improve productivity, quality and reduce costs. With automatic positioning and detection capabilities, fast speed, high precision and stable quality; 2. Combined with many advantages of the forming machine, the edge material is punched and cut to maximize the use of materials and reduce costs; Capacity: 30 million pieces/month;