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TOPKEN has 7 bases,built storehouse and sale office in Shanghai, Beijing, Tianjin, Zhengzhou, Zibo, Yixing City,nearby service customers.
Business philosophy

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Shanghai TOPKEN silica fume Co.Ltd.,  Adhere to professional management, meticulous service, do the outspread marketing & services agencies of Chinese large smelting enterprises, to build smooth communication bridge for the smelting enterprises and end-users. Based on our stabile quality of products and professional technical support, establish the good reputation of TOPKEN brand.