After-sales service

1. Warranty and maintenance

● Provide corresponding warranty period (depending on the type of equipment), and replace non-human damaged parts free of charge.

● Regularly visit to check the operating status of the equipment and provide preventive maintenance suggestions.

2. Emergency response

● Set up a 24-hour service hotline to respond to sudden failures within 2-48 hours (depending on the distance).

● Remote diagnosis or send engineers to repair on-site.

3. Spare parts supply and upgrade

● Long-term supply of original spare parts with transparent prices.

● Provide equipment upgrade services (such as software updates, efficiency improvement transformation).

4. Data monitoring and reporting

● Optional IoT remote monitoring system to transmit operating data in real time.

● Regularly provide equipment operation analysis reports to optimize customer environmental management.

5. Value-added services

● Assist customers to pass the acceptance of environmental protection departments or third-party testing.

● Provide dynamic interpretation of environmental protection policies to help customers cope with changes in regulations.