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wollastonite wollastonite

shenyang jingang wollastonite mining co., ltd. is a large wollastonite resource reserve base in northern china; it is a manufacturer of wollastonite needle powder! main business: wollastonite, wollastonite needle powder, building gravel, building gravel, machine sand, reinforcement filler, wollastonite for friction materials. service hotline: 13390168222

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