The national unified free repair service 400 hotline provides hotline services throughout the year (except national statutory holidays). When the equipment purchased by the customer fails or needs technical support, they can call the 400 service hotline, and the company has professional technical personnel to guide and troubleshoot online; if the customer cannot answer online, the customer service engineer will contact the customer within 4 hours to inform the solution.

In the case that the engineer's telephone guidance cannot solve the problem, the company will arrange for the engineer to provide on-site service within 48 hours of the customer's repair report.

According to the relevant national laws and regulations, the calculation method of the validity period of "three guarantees" for commercial display products is as follows: If delivery, installation and commissioning are not required, it shall be calculated from the date of signing the purchase and sale contract.

If the product exceeds the warranty period stipulated by the company, or the product fails or is damaged due to the conditions described in the warranty service, the customer can choose a paid maintenance service.

For conference tablet users, our company does not provide free on-site installation and debugging services. If consumers request on-site debugging services, on-site installation and debugging fees will be charged according to the prescribed standards. For the special installation services of the products purchased by consumers (such as: special walls such as glass, marble, ceramics, hollow walls, etc., special installation methods such as ceiling hoisting, hoisting, etc.), need to be negotiated separately.