Effective service guarantees national ownership10000+Dot

Covering the whole country98%Installation and after-sale of urban districts and counties

National door-to-door installation

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No matter which province you are in, after placing an order, the installation master immediately reserves door-to-door installation, and Jin Zhidun's intimate service is everywhere.

National Three-Guarantee Policy

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Within one year, the product has any quality problems free of charge renewal (except man-made damage), two-year warranty, life-long maintenance!