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Weifang Hongyuan Waterproof Materials Co., Ltd.
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colourful asphalt shingle
Keywords
colourful asphalt shingle
Description
colored asphalt shingle is reinforced with glassfibre mat,saturated in bitumen distilled from high quality oxygenating petroleum,and then one side is covered with colored mineral granule,while the other sile covered with isolating material.

Weifang Hongyuan Waterproof Materials Co., Ltd.
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