Shanghai Topken Silica Fume Co., Ltd. is a special company engaged in Silica Fume (Microsilica). We mainly invest a lot in Ferro Silicon and Silicon Metal production line for manufacturing Silica Fume and densification lines. Topken has six Silica Fume ba
Shanghai Topken Silica Fume Co., Ltd.
Rm.2211 Lindun Tower,100 North Hengfeng Rd.,Shanghai