Dear Sir and Madam,
Our corporation deal in the export of additive for cement and concrete,that is called silica fume,fly ash,microsilica, silica powder and so on.We are a professional manufacturer and exporter of silica fume in the northwest of China.We built up two factories in Ningxia and Gansu province.
Please kindly check the catalogue and price as follows:
Products: microsilica(SiO2 85%--96%)
Existing form: amorphism thin...
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