My company to provide one year free warranty service for products, life-long maintenance, our company guarantee with key components. Warranty period from the buyer the date of the finished product acceptance. After the expiry of the warranty replacement parts only charge the cost.
　　This limited warranty does not apply to due to power failure or using products, natural instability, destructive force majeure (such as lightning, storms, etc.), do not operate the products according to the specification or unauthorized repair the damage caused by the products.