CHINA OVERSEAS SCIENCE & TRADE CO.,LTD is one company located in Beijing. We provide and export kinds of products for construction, as following: #CFRD-FILLER: According to the research result CFRD, it can be used CFRD up 250m high. #SBS ModIFIED ASPHALT POLYMER #CEMENT AID GRINDING ...
Telephone:86 - 010 - 51336518
Address:No.1 AnHua North, ChangBao Building, ChongWen District Beijing Beijing 100062 China