承诺四:不乱收费，所有维修价格按市场价收取。

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　　三是要加强公司内部各部门之间的横向联系以及和设计、施工单位的沟通、交流。

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一、加强业务知识学习，不断提高自身业务素质。在工作中，认真学习商函营销知识，不断增强自身的专业素质和职业技能，并在业余时间积极主动地加强业务基础知识学习，对商函营销技巧和客户关系管理知识有了更