In order to make customers feel at ease to use the modular power supply sold by our company, we promise that within three months from the date of sale, our company will replace the same type and specifications of modular power supply for you free of charge whenever there is a quality problem due to the quality problem of the product itself; in one year, if there is a quality problem of non-artificial damage, our company will provide free maintenance. 。 In the course of using the product, if the damage is caused by improper use or other reasons, our company will provide paid maintenance service at any time.


Customer service and complaint handling:

If you have any doubts or think that there are problems in product quality, please call our company (020-84206763). We will provide free technical support and other consulting services for you at any time.

If you feel that our staff have poor service attitude or fail to fulfill the obligations stipulated in the contract, please call our customer service department. We will respond to the after-sales complaints within one hour. The number of complaints receiving and tracking is 020-84224701, and the free service hotline is 400-811-8032. After-sale service