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Through our services, we guide users to master the abilities of use, maintenance, construction and repair, so as to provide guarantee for users' work and generate benefits and value.

The buyer must truthfully fill in the warranty card at the place of purchase, seal and sign, return it to the company by domestic users, return it to the dealer by foreign users, and the dealer shall enter it into the computer according to the form specified by the company, e-mail it to the company, and it can take effect only after the company confirms that it has been received.