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The enterprise has widely carried out the ISO9001:2008 quality management system. The whole production process is monitored and measured and corrective and protective measures are carried out for immediate use, taking unqualified products under strict control; and the effective integration and continuous improvement of the process hich aims at ensuring the effective operation of quality management system and customers’ satisfaction with and trust in our products has turned the enterprise into a worldwise supplier of first class quality products and services.