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In 2002, GRASi industry co.,ltd was established in shanghai . Using high-tech nano technology to develop GRASi series various types of functional waterproof,anti-corrosion,stain proof nano protective agent  in cement, stone, wood, metal, fabric, leather and other professional fields.  GRASi aims to be the worlds best nano waterproof protective material professional factory .Through the unremitting efforts,  in nano waterproof agent industry， GRASi won wide popularity and reputation, GRASi products used in many world influential architecture ,like the Coca Cola factory...

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