In the era of "Internet +", many people will carry laptops for long-distance or short-distance travel, and the
1. Power adapter fuse: It is mainly used for overload protection. If the fuse is properly placed in the circuit, the fuse
1. The raw materials are purchased and checked into the warehouse, and then the materials are collected and produced in a
With the continuous improvement of injection molding processing accuracy requirements, in addition to correct selection o