Shanghai Topken Silica Fume Co., Ltd. is a special company engaged in (Microsilica). We mainly invest lot Ferro Silicon and Metal production line for manufacturing densification lines. has six bases different places China. As per quality, we supply to ...

Our company is a professional manufacturer with great influence in silica *, black master batch and white carbon black. Sunmix built up our own producing processing factory Xiamen, Fujian Province, which has already been large - scale. The main product ...