Ebay

https://amzn.to/3I8EHGF

https://amzn.to/3Ee04UE
https://www.sainsmart.com/products/upgraded-offline-controller-module-for-genmitsu-cnc-laser-machine
https://www.sainsmart.com/products/sainsmart-offline-controller-module-for-genmitsu-cnc-router-3018-prover