针对3C电子产品行业，模内监控主要检测精密产品是否残留模面，顶针是否回退到位，镶件是否放到位或放错。主要涉及的电子产品有键盘、手机、电脑、电视、显示屏等。

For the 3C electronic product , the mold monitor mainly detects whether the precision product remains on the mold surface, whether the thimble is retracted in place, and whether the insert is placed in place or misplaced. The main electronic products involved are keyboards, mobile phones, computers, TVs, display screens, etc.