<p>Overmolding: Substrate + TPE/TPU layer on top</p>
<ul>
<li>Soft touch grips</li>
<li>Seals and gaskets</li>
<li>Handle grips</li>
</ul>

<p>Insert molding: Metal/plastic insert placed in mold before injection</p>
<ul>
<li>Threaded inserts</li>
<li>Electrical contacts</li>
<li>Hinges and latches</li>
</ul>

<p>Full guide: https://www.mfgabc.com/guides/overmolding-insert-molding.html</p>

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<p>新手建议收藏，老手欢迎指点。</p>