1. Pre sales service process:

According to the actual situation, engineers will be dispatched to conduct a comprehensive investigation of the user's site when necessary. Based on a comprehensive understanding of the usage requirements, communication plans, transportation plans, commissioning plans, engineering supervision plans, product maintenance plans, and quality feedback plans will be formulated according to the actual situation. These plans will be implemented after written confirmation from the user.

2. Service process during the testing phase:

Dispatch engineering and technical personnel to the site for commissioning, and conduct a 24-hour trial run with load after commissioning. After the equipment runs smoothly, both parties shall sign and confirm before the engineering and technical personnel can evacuate the site. During this period, professional engineers will be responsible for the comprehensive supervision of the project.

3. After sales service process and matters:

Establish a dedicated customer profile for the product, and provide a one-year warranty and lifetime maintenance for the products sold.

24-hour remote technical support, service center phone number (4001140122). The response time is 2 hours, which means that a service plan will be developed within 2 hours and implemented after being approved by the user.

During the warranty period, accessories that malfunction due to component defects and manufacturing process issues will be replaced free of charge. For faults caused by improper customer operation, component costs and transportation and accommodation expenses will be charged as appropriate. Any replacement of components or other accessories that occur after the warranty period will only incur cost, transportation, and labor expenses.

4. Training service items:

If customers have training needs, the company can provide paid maintenance personnel training services for customers. The main training content includes AC power supply/DC power supply/charging pile testing system/solar cell simulator/power grid simulator working principle, performance, debugging, maintenance, operation, etc. The time will be determined according to the actual situation. Provide free teachers and various equipment and instruments for on-site internships for training personnel, as well as free learning materials and venues. On the basis of mutual agreement, designate a dedicated person to be responsible for liaising on technical and business matters, in order to maintain long-term communication and cooperation between both parties.