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◆ Under normal use conditions:

A. Each product produced by our company enjoys quality assurance and service under normal use conditions within 6 months from the date of purchase.

B. During the validity period of the quality guarantee, if the product is faulty, it will be repaired or replaced according to the actual situation.

◆ Product problems caused by improper use are covered by paid services:

Natural and bad use and abnormal use are not within the scope of quality assurance requirements. Overdue quality requirements need to be charged for repair costs.

◆ Please contact the company directly for users with higher quality requirements:

Please mail the product together with a copy of the invoice or a copy of the bill of sale with the exact sales name and purchase date to the after-sales service department of Beichang Junkong (Beijing) Technology Co., Ltd. for technical identification. We will quickly provide you with VIP Paid services.

Beichang Junkong (Beijing) Technology Co., Ltd. Address: Laoxiuwan Industrial Park, Shahe Town, Changping District, Beijing, China Post Code: 102206 Fax: 010-80725288

高效过滤器 、高温高效空气过滤器、初效过滤器、中效过滤器、HEPA高效空气过滤器、初中高效过滤棉等。 Keywords: Beichang Junkong specializes in the production of high-efficiency filters , high-temperature high-efficiency air filters, primary efficiency filters, intermediate efficiency filters, HEPA high-efficiency air filters, and junior high-efficiency filter cotton. Factory price direct sales provide free technical support, phone 13260183782

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