Roofing Slate-zhengzhou sunrise technology co.ltd
Roofing Slate - zhengzhou sunrise technology co.ltdSlate has been used to create beautiful and rigid roofs for centuries. Due to its unique textures, classic colors and strong durability, it is the best material for roof. It also has characteristics of practicality, beauty and environmental protection. Our slate has formally passed the series of tests of the EN12326 test, ASTM S1 the Standard BS680 (1971)"Specification for Roofing Slate" such as Water Absorption Test, Sulphuric Acid Immersion Test, Wetting and Drying Test, and so on. Our roofing slate is widely applied to many styles of buildings roofs. The main colors of roofing slate are grey-black...[email=tkfanyi*tom.com][img]http://www.tysunrise.com/images/Gree...g%20slate1.jpg[/img][/url][qq]71218677[/qq]
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