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- Flint Clay
- Zibo runjin is the biggest base to export flint clay in China. The main products are as follows: synthetic rich silica kaolinite, flint clay, bauxite, synthetic mullite products. Especially the quality of coke gemstones, bauxite and mullite, one of the pr
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Zibo Runjin Refractories Co., Ltd
[Verified]
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Negotiable
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