woll-union imp/exp co., ltd.
公司简介
the company is a united group of mining, producing and processing companies. it is legally registered and authorised for foreign economy. its main products are: wollastonite, ultra fine material, modified ultra fine minerals, such as wollastonite,feldspar, brucite, diatomite,calcium carbonate etc...
北京市朝阳区广渠门外大街8号优士阁B座1703 电话: 010-58612588 传真: 010-58612665
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