The efficiency of mining production-link plays a direct role of the safety and product-profit of the coalmine, which affluence the annually arranged project of the mining enterprise.
煤矿生产衔接工作的效率直接影响到其生产安全性和生产效益，对其年度生产计划的完成会产生很大影响。
Currently, the Company adopts the direct sale, attaches importance to keeping good relationship with big clients, and maintains a comparatively steady gross profit rate for product sale.
公司目前主要采用直接销售方式，注重大客户关系维护，产品销售毛利率较为稳定。
Currently, the Company adopts the direct sale, attaches importance to keeping good relationship with big clients, and maintains a comparatively steady gross profit rate for product sale.
公司目前主要采用直接销售方式，注重大客户关系维护，产品销售毛利率较为稳定。
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