conductor wire
There are many conductive wires on the PCB board, which play a certain electrical function.
Etching manufacturing
At present, the circuit pattern on PCB is obtained by "etching".
electronic equipment
PCB board is mostly used in electronic equipment and is the carrier of electronic components.
The founder of is Liu Baozhen from Gu 'an County, Hebei Province. Liu Baozhen's Eight Diagrams Palm is different from the palm flip, paying attention to quick footwork and qu