1. The guarantee time is 1 years, and maintain is lifelong. During this time, if any work piece dose not work well and which is not caused by worker and can not control naturally, the supplier provide it free of charge, but the carrier cost must be in buyer's side. And the machines have matched an urgent foot switch.

2. The supplier must make sure the machine all work well before package.

3. we will provide the working video after delivery the machines.

4. Welcome your engineers to come to our factory for training.