1. Establish customer files and provide relevant technical training and technical materials according to customer requirements.
2. The product has quality problems, one-year free warranty, lifetime maintenance, and if there is a contract, please follow the contract.
3. We guarantee to conduct telephone guidance within 15 minutes, and you will troubleshoot simple equipment failures by yourself. If the fault cannot be eliminated by ourselves, we will negotiate with the customer friendly. In principle, our after-sales engineer will arrive at the equipment use site within 24 hours and carry out on-site repairs.