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At a seminar with Niudaowang's special directors , Dr. Kakuya reported on Japan's standardization research and performance evaluation results, and introduced the test data, existing problems and next steps. Chairman Liu Mingyao gave a general introduction to the Chinese standardization research and performance evaluation results. Zhang Fengling, a researcher-level senior engineer, Baohua Secretary-General and Wang Yuchang, deputy general manager respectively reported their respective tests. The two sides discussed in detail the problems in their respective test methods and proposed improvements. Finally, the two sides agreed to further improve the test methods and continue to accumulate data according to the recommendations and consensus reached at the meeting, and drafted the time for the fourth seminar. 
Sumitomo talks with the Japanese side should be invited, Liu Mingyao chairman and Dr. Wang Yuchang gave lectures on "R & D process and technology development trend of China CBN abrasive" and "Introduction to Chinese diamond industry," the special technical report, Wang Niu Island More than 50 technical staff members of the special director and Sumitomo Co., Ltd. heard the report. 
Chairman Liu Mingyao made a special technical report 
During the visit to Dr. Wang Yuchang's special technical report , the delegation also visited the Institute of Frontier Materials of Sumitomo Electric Industries Co., Ltd., Itami Works and Osaka Manufacturing Co., Ltd., and related technical personnel on Japanese R&D management and personnel assessment. Conducted an exchange. 
Sumitomo for a visit and exchange visits and exchange of May 10 and 11, the delegation of Noritake Co., Ltd. Industrial Equipment and Materials Division Business Division manufacturing plant in Kurume. The company is headquartered in the manufacturing department of the Kushiro Industrial Machinery Business Division, and the company is headed by the manufacturing department, the technical headquarters, the quality assurance department, and the business headquarters. Mr. Fujisuke, the second in the quality assurance department of the Industrial Machinery Division, introduced the basic situation of the Shima and Kurume plants. Chairman Liu Mingyao introduced the basic situation of the National Abrasives Standardization Technical Committee. Secretary Bao Hua introduced the basic situation of Zhengzhou Abrasives Grinding Research Institute Co., Ltd. Assistant General Manager Shao Jingru, Deputy General Manager Wang Yuchang and Researcher Zhang Wenling introduced the basic situation of their respective units. 
During the talks and exchange visits with the military , the delegation also exchanged views with Japanese personnel on issues of concern in terms of standardization, R&D management and quality management. The delegation briefed the delegation on the standard system and operation in Japan and the details of the Japan Industrial Diamond Association. This information has enhanced the delegation's understanding of Japan's standardization work and laid the foundation for future cooperation. The Japanese side also paid close attention to the products of Henan Huanghe Cyclone Co., Ltd., Zhengzhou Huajing Diamond Co., Ltd. and Zhongnan Diamond Co., Ltd., and the relevant personnel of the two sides conducted detailed exchanges on the products. This visit not only promoted the work process of collaborative research to propose international standards, but also collected useful information for us to actively carry out international standardization work and industry development, broaden our horizons, and understand and learn from foreign advanced management experience. China's standardization and related work has a good reference. (Standard Secretariat)
National Abrasives Standardization Technical Committee delegation visited Japan and exchanged
Invited by Sumitomo Electric Industries Co., Ltd. and the Shiwon Industrial Machinery Business Division, the National Abrasives Standardization Technical Committee delegation visited Japan from May 6 to May 12, 2018. . The delegation consists of the following six members: Liu Mingyao, chairman of the National Abrasives Standardization Technical Committee, head of the National Abrasives Standardization Technical Committee Bao Hua, and Deputy General Manager of Henan Huanghe Cyclone Co., Ltd. Wang Yuchang, Zhengzhou Hua Assistant General Manager Shao Jingru of Crystal Diamond Co., Ltd., Zhang Fengling, a researcher-level senior engineer of Zhongnan Diamond Co., Ltd., and Zhang Liang, secretary of the Secretariat of the National Abrasives Standardization Technical Committee, are members of the group. On May 7 and 8, the delegation visited Sumitomo Electric Industries Co., Ltd. The purpose of this visit is to conduct a third round of discussions on joint proposals for international standards on joint research and conduct technical exchanges. Mr. Niu Shiwang, the director of Sumitomo Electric Industries Co., Ltd., the director of the Institute of Frontier Materials, Mr. Goto Hiroshi, and experts such as Kakuya and Nakajima enthusiastically received the delegation. Prior to the seminar, the director of Niudaowang and the director Liu Mingyao had a courtesy meeting and had a brief conversation on issues of mutual concern.