Shanghai Na Long Tech Co., Ltd
[Shanghai,China]
Business Type:Trade Company , Manufacturer , Agent , Distributor/Wholesaler , Retailer , ServiceMain Markets: Africa , Asia , East Europe , Middle East , Oceania , WorldwideExporter:71% - 80%Certs:ISO14001, ISO9001, MSDS, Test ReportDescription:Pozzolanic Material Silica Fume,Microsilica in Concrete Densified and Unidentified,White Silica Fume