... 458water repellent in constructions ,stones,marble,concrete , gypsum board additives , plasterboard water repellent and the petroleum additives,etcother keywords:construction ... our companycan make sure of product quality,and the purity of the products,Our product packaging conform to the state provisions ... ,Jiangxi ProvinceP.C: 330000 r Building water repellent /concrete , motar , cement ,etc HS-458