1\. There is a panel size limit of not bigger than 480x320mm\.
2.Please panelize your boards with stamp holes, V-cut panels are not supported currently.
The more information , visit : [https://support.jlcpcb.com/category/78-smt-assembly](https://support.jlcpcb.com/category/78-smt-assembly)
One guy writes a tutorial : Panelization of Board for PCB Assembly : [https://easyeda.com/forum/topic/Guide-to-Panelization-of-Board-for-PCB-Assembly-6372ca58b085444ba4ce11c16da79a3a](https://easyeda.com/forum/topic/Guide-to-Panelization-of-Board-for-PCB-Assembly-6372ca58b085444ba4ce11c16da79a3a)
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