Nanjing Four Diamond Machine Tool Co., Ltd. (formerly known as Nanjing Fourth Drilling Machine Factory) is located in the ancient capital of the Six Dynasties - Nanjing, with a history of more than 50 years of professional production of radial drilling machines. It is a national high-tech enterprise specializing in the manufacturing of efficient and precision drilling machines. The company always strives for survival through quality, based on cultivating core competitiveness, and has become a leading enterprise in the drilling machine industry. The company has established a comprehensive quality management system and obtained ISO9001 international quality system certification in 2001. Its products have successively passed safety certifications such as CCC, CQC, UL, CUL, GS, CE, etc. The first in the industry to pass CCMS China Machinery Safety Certification. The company's leading products include precision vertical machining centers, CNC drilling and milling machines, high-efficiency composite machine tools, rocker drilling machines, vertical drilling machines, CNC drilling machines, hydraulic shearing machines, hydraulic bending machines, machine tool accessories, and more than 130 other products. It has formed a pattern of multiple varieties, specifications, and series covering similar products in the same industry, and has built a global procurement and marketing network. It has established stable trade cooperation relationships with more than 100 countries and regions in the world, providing various safe, efficient, and precise general-purpose or special-purpose machine tools for many domestic and foreign enterprises. The company adheres to innovation for development, has established a high-tech product research and development center, and has a group of high-quality professional talents. The company's technology center has been awarded the title of "Jiangsu Provincial Enterprise Technology Center", and the company has obtained more than 100 patents and copyrights including national invention patents, utility models, software copyrights, etc. The company will increase its research and development investment in projects such as CNC drilling machines, high-efficiency composite machine tools, and unmanned processing equipment to further enhance its leading position in the drilling machine industry, meet the demand of downstream industries for mid to high end CNC machine tools, and further improve the company's profitability. The company adheres to the policy of "survival through quality, efficiency through management, development through innovation, and brand building through service", and upholds the development concept of "industrial diversification, internationalization of operation, socialization of capital, and scientific management". It vigorously promotes the enterprise strategic concept of "building management foundation, cultural soul, marketing matrix, and brand roots", and strives to create the "Four Diamond" brand. With the joint efforts of the Four Diamond people, Nanjing Four Diamond Machine Tool Co., Ltd. will have a better and more brilliant tomorrow.