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2022-11-03PV：421
Reading guidance：
China Grinding Association
China Hardware Association
China Refractory Material Association
Topic：Europe 7 countries cooperate 62.52 million yuan electric vehicle battery project to reduce battery cost and improve battery performance
Topic：Coal supply and demand will gradually ease this year
Topic：On July 13, 2018, the declaration of integrity of the grinding enterprises (China) launched by the abrasive inventory network was officially launched in Zibo, Shandong.
Topic：Coal supply and demand will gradually ease this year
Topic：On July 13, 2018, the declaration of integrity of the grinding enterprises (China) launched by the abrasive inventory network was officially launched in Zibo, Shandong.
