Nanjing R & D High Technology Co. is a complex with research, development, product sale and technical service, which owns famous experts and scholars engaged in scientific research and engineering construction.

Its products are extensively applied in the fields of water conservancy, hydropower, transportation, railway, civil engineering, chemical industry and metallurgic industry, and have solved various technical problems during construction of the projects with good social and economic benefits. The honorary product, HLC-IX Polycarboxylic Acid Series High-Performance Water-Reducing Admixture, is approved as “Qualified High-Performance Concrete Admixture for Special Railways” by the Science and Technology Department of the Chinese Ministry of Railway. The Company is also appointed the enterprise to produce the above admixture and approved as one of “Specially Supervised Enterprises” by the Concrete Admixture Committee of the Chinese Construction Material Society.

Main Products
◆ HLC Series Concrete Additives:
HLC-NAF Series Water-Reducing Admixtures and Pumping Additives; HLC-I Anti-Crack and Anti-Seepage Concrete Additives; HLC-II Super Early-Strength Concrete Admixtures; HLC-III Abrasion Resistance Silicon Admixtures; HLC-IV Underwater Non-Dispersive Concrete Admixtures; HLC-V Early-Strength Water-Reducing Concrete Admixtures; HLC-VI Early-Strength Anti-Freezing Concrete Admixtures; HLC-VII Grouting Admixtures; and HLC-IX Polycarboxylic Acid Series High-Performance Water-Reducing Admixture.
◆ Renovation and Reinforcement Materials:
NBS Cement Modifier (Polyacrylate Emulsion), PUI & PS Elastic Sealing Plaster, PU4 Solvent Polyurethane Grouting, EA Epoxy Grouting Modifier, and LZ Structural Emulsion.
◆ Waterproofing Anti-Corrosion Materials:
GM901 Multifunctional Organosilicon Protective Coating, PU2 Elastic Waterproofing Emulsion, PU3 Waterproofing Anti-Corrosion Materials, 909 Series Zinc-Rich Coating, SPU & FPU Weathering Resistance Anti-Corrosion Coating, and EA & MPU Bacteria Resistance Coating.

Application in Projects
Water Conservancy Projects: the Xiaolangdi Water Conservancy Project, the Water Diversion Project From the Luan River to Tianjin, the South to North Water Transfer Project in Shandong Province & Jiangsu Province, the Middle Line in Tianjin Municipality of the South to North Water Transfer Project, and the Cao’e’jiang Shiplock Project.

Hydroelectric Projects: the Guangzhao Hydropower Station, the Silin Hydropower Station, the Suofengying Hydropower Station and the Shatuo Hydropower Station in Guizhou Province, the Jinghong Hydropower Station in Yunnan Province, and the Zhikong Hydropower Station in Lasa of Tibet.
High-Speed Railways: the Wenzhou-Fuzhou Railway, the Taiyuan-Yinchuan Special Railway for Passenger Train, the Guangzhou-Shenzhen-Hongkong Special Railway for Passenger Train, the Wuhan-Guangzhou Special Railway for Passenger Train, the Guangzhou-Zhujiang City Light Train, the Ha’erbin-Dalian Special Railway for Passenger Train, and the Rotary Railway in Hainan Province.

Transportation Projects: the Zhenjiang-Yangzhou Bridge Over the Yangtze River, the Nanjing Second & Third Bridges Over the Yangtze River, the Suzhou-Nantong Bridge Over the Yangtze River, the Jiangyin Bridge Over the Yangtze River, the Nanjing Dashengguan Bridge Over the Yangtze River of the Beijing-Shanghai High-Speed Railway, and the Taizhou Bridge Over the Yangtze River.