As the machine tool industry standards and quality construction work continues to deepen, the industry in 2020 to make breakthroughs and progress in the upgrading of standards and quality improvement. In January 2020, ISO10791-7:2020 "Test conditions for machining centers - Part7: Accuracy of finished test pieces", an international standard revised by China, was approved by the International Organization for Standardization (ISO) and formally published. In May 2020, the "CNC machine tool interconnection communication protocol standard (NC-Link) and test verification project" organized by the China Machine Tool Industry Association (CMTIA) was accepted by the association. "In September 2020, the China Machine Tool Industry Association group standard "vertical machining center product quality evaluation specification " entered the test verification phase, another four group standards included in the 2020 Association group standards development plan.