1. Definition
Impact Strength: Guaranteed against sheet breaking caused by weathering factors from the day of sales.
Yellowing Index: Within specific range stated hereinbelow.
Light Transmission: Within specific range stated hereinbelow.

2. Applicable Conditions
a. Range of goods:
Twin-wall sheet: Only 6 mm thick and above
Solid Flat sheet
Corrugated sheet (Sinus shape and Greca ).

b. Inapplicable to the sheets with scratches, rubbing or being exposing to the
erosive environment.

c. The side with UV protection must always face the direction of sun or to the outside atmosphere in whatever installation.

Any assembly, installation or maintenance must be performed in accordance with relevant instruction stated in our manual. As our products are designed for the resistance against weathering disturbance, we can not guarantee against abrasion. Meanwhile, this Letter of Warranty will not cover any direct or indirect loss or re-installation caused by sheets damage.

3. Warranty Conditions
We guarantee our products’ surface against damage from hail. However, we will not be held responsible for the damage from any other types of hitting intentionally or accidentally.

Yellowing Index and Light Transmission. Huili Sun sheet shall be cleaned or maintained according to our specific requirements. The Yellowing Index of clean Huili Sun Sheet guaranteed below 8.0 within 5 years from the day of selling, below 10.0 within 10 years; Light Transmission decrease less than 3 % within 5 years from the day of selling, no more than 6 % within 10 years. This guarantee to the Yellowing Index and Light Transmission is given only on condition that the loss of sheet property happens in natural way. We will not guarantee our goods against the physical and structural change inside the sheet caused by dust, dirt and abrasion.

All the statements of guarantees described in this Letter can replace any other types of promises expressed in written form, words or different kinds of indication. In case of claim, our responsibilities, no matter stated or not in the Contract (or because of carelessness), are either to replace the sheets or to return the goods money, but will not bear the loss from accident. In any case, we will not pay the sum more than the original price.

Attention
The distributors shall be responsible for the activities whenever he is requested and the relevant expenses will be afforded by our marketing department according to related stipulations.
Any quality issues with Huili Sun sheet must be consulted and confirmed by Shanghai Huili-Tuvgal Sheets Co., Ltd. according to relevant test methods described in national standard system.