Nanjing Ningshi Science and Technology Industry Co., Ltd (Ningshi S&T)as China exclusive distributor authorized by famous concrete protection experts-- US ChemTec Int'l in 2007. Specialized in marketing promotion and technical services of ChemTec ONE concrete sealer. At the global market ChemTec ONE not only apply in flooring market but also widely used in roads, bridges, airports, water conservancy, sea port and other high-end engineering field.

Our company launched new product--KingTec concrete sealer on Shanghai floor expo. with more than nine years experience in sales imported concrete sealer, technical support, integrity advantages and more than 20 years business cycle in sales imported products we can guarantee to provide customers with 20 years quality commitment.

In 2011 Nanjing Ningshi S&T joint ChemTec Int'l build Asia ChemTec ONE product training &technical service center. It is located in Nanjing science and technology park, high-tech development zone, the project is under construction officially opened the second half in 2012.