In the building materials of rock Technology Co. Ltd. (formerly known as Beijing new rock building materials technology limited) was founded in 1992, is China Building Materials Science Research Institute holding company, its predecessor is Chinese cement-based materials research center (the birthplace China waterproof construction technology, concrete admixtures, chemical building materials, dry mortar, construction engineering materials), the concrete admixtures, waterproofing, structural self waterproofing, shrinkage compensating concrete, chemical building materials, dry powder mortar and other special engineering materials research has more than fifty years of history, is an international leader in the field of. Through 20 years of development, the company has formed concrete admixture, grinding agent, special engineering materials three major business segments, two domestic and international market, and has a high level of professional technical service team, in the same industry with high visibility and reputation.