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

High Speed ??Railway

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RPC plate in Beijing-Shanghai high-speed railway

Related Products：Microsilica(Silica Fume) Keyword：high-speed railway common ditch

: TOPKEN Silica Fume is used in Beijing-Shanghai high-speed railway, Harbin-Dalian passenger railway dedicated line, Shi Wu ( Hebei, Henan, Hubei and other key national projects RPC plate.

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