1. Yes, automatic mounter and multi-stage reflow soldering equipment with automatic temperature control are adopted.

2.Pin, also called pin, is called PIN in English. It is a section at the end of the lead and forms a solder joint with the pad on the printed board by welding.

3. Chip is the general name of semiconductor component products. It is the carrier of integrated circuit (IC), which is divided by wafers. A silicon wafer is a small piece of silicon containing integrated circuits, which is a part of a computer or other electronic equipment.