According to the provisions of the relevant departments of the State Council on product after-sales service, the company solemnly make the following commitments to customers:

1, since the date of shipment, one year for the quality of the product warranty period, except for some special industries such as specialty chemicals, shelf life in accordance with the chemical industry standards.

2, after the warranty period, the service personnel will be on a regular basis for customer visits, free consultation, and according to customer demand preferential supply of parts.

3, receiving customer feedback information, we immediately send service personnel, in the East China area within 24 hours to reach the service site, other areas (limited to domestic) to service the site within 48 hours, timely solve the problems occur.

4, the company all staff will be based on the "quality of service satisfaction rate of 100%" quality objectives to provide customers with high quality and satisfactory service.

5 plate heat exchanger maintenance process is as follows: