Quanzhou Winitoor Industry Co., Ltd.

Quanzhou Winitoor Industry Co., Ltd., is specialized in microsilica. We own a system of produce, develop and export microsilica world wide. Our materials are collected form the ferrosilicon production. It is gray to off-white in color complying to ASTM C 1240 international stardard.

Silica fume is a mineral admixture, composed of submicron particles of silicon dioxide, manufactured as co-product from the production of silicon and ferrosilicon metal. When added to concrete, silica fume acts as both a filler, improving the physical structure by occupying the spaces between the cement particles and as a 'pozzolan, ' reacting chemically to impart far greater strength and durability to concrete. Also. Silica has many other use in industry.

Now we have buildt strong and long terms overseas customer. Our company focus on the basis of equal and mutual benefit to develop together.

Welcome all of friends at home and abroad to visit and cooperate with us!