Shandong Hongyi Technology Co., Ltd. is one of the national key high-tech enterprises, engaged in the technological development, production, business and services of cement process additives, concrete admixtures, and battery technology. Under our company, there are Research Institute of Cement and Concrete Technology, Cement Process Additives Plant, Concrete Admixtures Plant, Hongyi Electrical Source Technology Co. Ltd. and Hongyi Electrical Source Co., Ltd. Hongyi Technology yearly produces 200 thousand tons of cement additives, 20 thousand tons of concrete admixtures, 1.2 million sets of...