1. A good wetting, good weldability 2. Little impurity, diffusion ability well 3. Eco-friendly products, do not pollute the environment. 4. Smoke is small, less splash 5. Use for the printed circuit board 6. Increase the speed of production 7. Reduce production costs Application: Soldering in PCB, radio or normal home appliances Repair of normal home appliances and audio installations Soldering radio transponder, instrument and calculator and so on |