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    After-sales service

    Qinghe Chenglong Filter Co., Ltd. After-sales Service Policy

    1. service tenet

    Qinghe Chenglong Filter Co., Ltd. (hereinafter referred to as "Chenglong Filter") has always been adhering to the service tenet of "customer first, quality first", and is committed to providing customers with high quality filter products and high-quality after-sales service. We are well aware of the importance of filters to ensure the normal operation of vehicles, so we will do our best to ensure that every customer can enjoy satisfactory service.

    2. Product Warranty

    Chenglong Filters offers a limited warranty on all products. Under normal use, in case of failure or damage caused by product quality problems, we will provide free repair or replacement service according to the warranty policy.
    The warranty period shall be calculated from the date of purchase of the product, and the specific warranty period shall be determined according to the type and specification of the product. Please carefully understand the product warranty terms at the time of purchase.
    The warranty is limited to the product itself and does not cover malfunctions or damage caused by improper installation, use or man-made damage.

     

    Qinghe Chenglong Filter Co., Ltd.

    4. Installation and Use Guidance

    In order to ensure the normal use of the filter and extend the service life, we recommend that you carefully read the product installation instructions before installation, and follow the instructions to install correctly.
    During use, please check the condition of the filter regularly, and replace it in time if any abnormality is found. We recommend that you replace the filter according to the vehicle manufacturer's recommend replacement cycle.
    If you have any questions about the installation or use of the filter, please feel free to contact our customer service department, we will provide you with professional guidance and help.

    5. customer feedback and complaints

    We attach great importance to customer feedback and complaints, which is an important basis for our continuous improvement and improvement of service quality. If you encounter any problems in the process of using Chenglong filter products or have any suggestions for our services, please feel free to contact us. We will listen carefully to your voice, and as soon as possible for you to solve the problem or provide a satisfactory answer.