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For problems of access only in local area network, poor data continuity, easy to cause information island and small coverage area existed in current laboratory information management system of coal testing enterprise, an oriented customer service on laboratory information management system of coal testing enterprise was proposed. The system uses .NET platform to realize extensible open framework, employs workflow engine to realize collaborative service of modules, uses XML technology to achieve different hardware access, utilizes database to realize intelligent management of customer and data mining application, and real-timely changes internal management system according to external demand. The practical application shows that the system can effectively improve customer satisfaction.