What the Coal Quality Center of Zhengzhou Coal Group Corporation Ltd.has done about laboratory accreditation,and the accreditation effect on enterprise and the meaning were introduced in this paper.

• 介绍了郑煤集团煤质监测中心在进行实验室认可中所做的工作及认可实验室对规范煤炭企业自身行为的影响和意义。