1、 Scope of application

Products produced and sold by the Company.

2、 Service Objectives

Perform standardized on-site installation and commissioning, provide thoughtful product operation and maintenance training, and timely and effectively solve the faults and problems encountered in the use of products to ensure customer satisfaction and ease of use of products.

3、 Technical services

1. Product technology and use training:

The product specialist and installation and maintenance personnel shall personally visit the user training site, install and debug the products, and give the user a training on the technology and use of related products. The time and place, number of people, cost, content and frequency shall be specified by the user. And guide users to use it correctly. The training content will include.

a. Product performance;

b. Product composition and connection method;

c. Product use method;

d. Common product abnormality diagnosis and solutions;

e. Replacement method of wearing parts and consumables;

f. Daily cleaning and storage methods of products;

2. Product upgrading service:

If the company upgrades the software of a certain model of product, the after-sales service specialist will notify the user in time and be responsible for contacting the user to handle the corresponding upgrade.

4、 Relevant agreements of after-sales service commitment letter

1) Warranty and replacement acceptance scope: only applicable to product quality problems arising from operation in strict accordance with the product manual and installation guide;

2) Warranty: During the stated product warranty period, the company shall bear the cost of all accessories and services incurred by repairing the product if the use function of the product is affected due to poor design, process and materials;

3) Replacement: within the specified product replacement period, for products that cannot be repaired through warranty services, both parties shall jointly confirm to provide customers with various fees and services including product replacement free of charge;

4) Lifelong maintenance: establish after-sales service files for the sold products, provide free warranty services during the warranty service period, and provide paid maintenance and repair services for the products beyond the warranty period;

5) The warranty period starts from the date of acceptance;

5、 After sales service rules

① Warranty period: one year free maintenance and lifelong maintenance;

② During the warranty period, in case of any quality problem, the user shall promptly answer the user's questions during the warranty period; If the problem cannot be solved, the engineering technicians shall respond within one working day and go to the site to solve the problem within three working days.

③ Ensure that the products sold are brand new products that have never been used. Spare parts shall be supplied free of charge during the warranty period and at the cost price after the warranty period.

④ Computer control system products (including products, teaching networks, etc.): the application software (central control system) is upgraded for free.