Respected user:

       Hello, thank you very much for choosing Junhai Longfei products!

       In line with the service aim of providing customers with perfect solutions and perfect after-sales systems to obtain higher customer satisfaction with superior products, Junhai Longfei Customer Service Department will provide warm and thoughtful customer service to every user. We can provide you with product-level, program-level, application-level composition, and post-maintenance four-level technical services. Relying on the company's perfect architectural system, we will eventually provide customers with fast and professional, professional and friendly. Lose its stable high-quality service.

Pre-sale service:

1. Professional technical support engineers provide you with consulting and introduction of product functions, application environment, etc.;

2. Collect customer demand information and provide customers with various practical solutions for customers to choose from;

3. Design of plan effect diagram.

On-sale service:

1. Installation site survey, according to the actual situation on site, we can make appropriate adjustments to the plan;

2. On-site installation and commissioning service;

3. Training on product application functions and operation methods;

4. After the system runs normally, the project will be checked and accepted, and an acceptance report will be issued to the customer.

After-sales service:

1. National unified service hotline (13620980011 Mr. Zheng), professional technicians provide 7*24 hours hotline support service;

2. Provide warranty and on-site service for professional and technical personnel;

3. Regular inspection and maintenance of products;

4. Product software upgrade service;

5. Program production services.

Product warranty:

The whole machine is guaranteed for one to three years (subject to the sales agreement), including all hardware and software products; product lifetime maintenance service (signing a maintenance agreement after the warranty period);

Note: All man-made damages, accidental damages and malfunctions and damages caused by illegal operations are not covered by the warranty. After the equipment warranty period expires, provide equipment maintenance paid services, charge component fees as appropriate, and waive maintenance fees.