Changfeng Innovation has a perfect pre-sales and after-sales service system, adhering to the belief of serving users, striving to achieve the goal of satisfying users, and ensuring to provide users with thoughtful technical support and after-sales service.

The main service content:

Planning & design & operation & maintenance services for machine room power supply and air conditioning equipment; rental for machine room power equipment; battery charging and discharging maintenance service; battery periodic internal resistance test service, etc.

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