In order to ensure you to use our power modules pleasantly, we promise that within two years as of the date the products are sold out, if there is any problem with the product quality, we will provide a brand-new power module of the same model and specification for you free of charge; for any quality problem arises after two years since the products are sold out, we will provide the repair free of charge. For any quality problem during the use of the product, we will make response within 24 hours from the time of being informed by the customer, and we will insist on the principle of keeping working until the problems are addressed. According to customer’s request, we will help customers to properly choose our products and track the product quality to key customers.

     If you have any problem about product quality in the course of use, please call 029-88276122, and we will provide you with technical support and other consultation service at any time free of charge.

     If you think that our staff provides bad service and fails to fulfill obligation as prescribed in contract, please call us and we will make response within an hour.