Jinyu Kaolin Chemical Co. , Ltd. as a recycling economy with coal Tashan Industrial Park, an important link chain, with its advanced concept, efficient management, solid style, in order to group restructuring, diversified development for the realization of the coal mining industry, the green made a positive contribution.
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The company will consistently provide the best service to the customers both at home and abroad with its advanced management concept and excellent product quality.
公司将以先进的管理理念与卓越的产品品质，为海内外客户提供最优质的服务。
A new concept called "liquid water-cement ratio" and its formula are advanced, which can be used to evaluate liquid water amount in the concrete mixed with antifreezer at negative temperature.
在预拌混凝土的生产中混凝土的凝结时间是一项重要的技术指标 ，本文试图讨论用水量、水灰比、粉煤灰和外加剂等因素对混凝土凝结时间的影响。
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