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        Service Center


        Replacement Service

        We provide replacement service for free if the user finds any damage in appearance or hardware, poor performance and other defects within 7 working days after receiving the product.


        Warranty Commitment

        Within the product warranty period, Longjun provides free repair services. If any product is sent us for repair, it will be repaired and returned to the customer within 7 working days after the product is received. For the products beyond the warranty period, we provide manual repair services, only charging the customer for the cost of the component for replacement.


        Response Time

        Longjun promises that we will respond to any feedback for service from customers and provide solutions within 24 hours upon receiving such feedback.


        Emergency Demand

        We will keep a targeted service inventory of the products with the same models as those purchased by customers, to meet their emergency needs for service.

        Contact Us

        Address: No. 4, Luoping Road, Nankai District, Tianjin (5/F, Block B, Sifang Building, Nankai Industrial Park)
        Tel:022-27614914 022-27645437


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