Grinwood WPC Material Co., Ltd. warrants to the original purchaser  (“Purchaser”) that, for the period of times set forth in the following sentence, under normal use and service conditions, Grinwood product shall be free from material defects in workmanship and materials, and shall not split, splinter, rot or suffer structural damage from termites. The term of such warranty shall be fifteen (15) years from the date of original purchase for a residential application, and ten (10) years from the date of original purchase for a commercial application.

For the 15-year warranty, it is not only a documentation paper for both parties, but also the practical action to solve the problem when it occurs.