The following is a brief introduction based on the statistics of machine tool industry enterprises above designated size (hereinafter referred to as "above-scale enterprises"), customs import and export data, and statistics of key contact enterprises of China Machine Tool & Tool Builders' Association (hereinafter referred to as "the Association"). The operation of the machine tool industry in the first half of 2019. Regulated enterprises refer to legalized industrial enterprises with an annual business revenue of more than 20 million yuan. As of June 2019, there were a total of 5,547 enterprises in the machine tool industry, involving eight sub-industries. Among them, there are 782 metal cutting machine tools, 540 metal forming machine tools, and 705 measuring tools and gauges, and the total number of enterprises in these three sub-industries accounts for 36.5%. There are 1,840 companies in the abrasives subsector, accounting for a larger share of 33.2%. There are 243 key contact enterprises of China Machine Tool & Tool Industry Association in June 2019, including 125 in metal cutting machine tool industry, 26 in metal forming machine tool industry, and 34 in work tool and gauge industry. These three sub-industries accounted for 76.1%. Abrasives 23, accounting for 9.5%. The overall sample of key contact enterprises of the Association is not large, and the proportion of emerging private enterprises is small, so there will be some differences with the statistics of the State Statistical Bureau of enterprises.