After-Sales Service Operation and Maintenance Video (English):https://www.youtube.com/@le_vendingmachine Operation and Maintenance Video (Intsik):https://www.youku.com/profile/index/?spm=a2hbt.13141534.1_1.1&uid=umtm5mzm3ndk3odq=
https://www.youtube.com/@le_vendingmachine