Production of concrete with various strength grades and special types of concrete. Research and Development, Production, and Sale of concrete admixtures
Add：No. 63-1 Qiongshan Avenue, Jiangdong New District, Haikou City, Hainan Province, China. Hefeng Jiayuan. Haikou Meilan District Relocation Work Headquarters -253
Copy right：China Hebei Construction & Geotechnical Investigation Group (Hainan) Ltd.
