YCIH Green High-Performance Concrete Company Limited, together with its subsidiaries, is engaged in ready-mixed commercial concrete in the People's Republic of China. Its products include concrete admixtures, powders, RPC cover plates, prefabricated components, phosphogypsum aggregates and coatings, aggregates, solid waste and materials, polycarboxylate superplasticizers, commercial mortar, and green and low-carbon building materials. The company serves the housing construction, railway, highway, and utility tunnel industries. Incorporated in 2007 and headquartered in Kunming, the People's Republic of China, it is a subsidiary of Yunnan Construction and Investment Holding Group Co., Ltd.