This product according to the Chinese glasses, executive standard Gb / T 14214-2003 production and strict quality inspection qualified product.
PQA (Product Quality Assurance) : Within one year from the sales date for warranty period.There is a quality problems, manufacturers provide free maintenance, in warranty period of human factor damage products, manufacturers
offer charged maintenance service, costs depending on the extent of damage assessment, it's too damaged beyond repair ability, regard as “cannot be repaired”.
In the warranty period, if there are quality problems need repairing, please show the warranty card and invoice, to the site of purchase or contact our customer service.
The warranty card and invoice will not to re-issue, please keep well.
Consumers within 15 days from date of purchase, please log into our official website to register the products, in order to the customer service tracking service。