The fault classification is as follows:

Primary level fault: the system operation is seriously affected by the fault;

Secondary level fault: the fault affects the efficiency of the system, but the system can still run.

Customer service hotline 24 hours after sales: 021-57489979.

During the system’s guarantee period, any fault o damage caused by human shall be handled in the same way as the above mentioned first treatment method, however, the cost of replacing parts shall be paid by the buyer.

After the expiration of the guarantee, our company still has the responsibility and obligation to perform technical services for the buyer. The spare parts shall be provided in accordance with the price list of spare parts in the comparative selection documents. The equipment is maintained for life, and the users are visited regularly in order to offer a track service on the equipment.