Points of attention for repair guarantee.

1.Repair Service should only be provided upon presentation of Guarantee card.
2.There are 12 months'guarantee with the product under correct usage from the date of instauation.
3.Avoid scratching by any sharp items.Cleaned with no acid, alkali or corrodent materials
4.Close door while locked prohibited.
5.Avoid oil substance to cylinders.
6.Assure Multi-point have been locked when you leave home.
7.Keep and take good card of key order card.
8.Do not adopt yellow or red key before green key.
9.The repair guarantee exclude breakdowns under incorrect usage.