Nanjing Choi Electronic Manufacturing Machinery Group Co., Ltd. was established in 2001, is currently China's largest company specializing in research "Whirling technology" applications, development and production of high-tech enterprises. The company is located in the scenic ecological County - Nanjing Gaochun, the company occupies 20,000 square meters, with a total construction area of ??13,000 square meters, more than 100 employees. Has included senior mechanical design engineers, electrical engineers, mold engineers, senior technicians, including a number of outstanding technical talent and rigorous style of management team; the United States has advanced horizontal machining centers and ten vertical CNC machining centers, turning centers precision gear machining equipment, more than seventy Taiwan; with CNC precision coordinate detector, projector, the second element detector and other testing equipment, detection means complete. The company also established a "worm Tornado CNC milling Jiangsu Province Engineering Research Center" and "Jiangsu Provincial Enterprise Technology Center." The company mainly produces whirlwind milling, CNC milling worm whirlwind, EPS worm Tornado CNC milling machine, CNC whirlwind ring enveloping worm milling machine, and a variety of screw screw whirling products, provides a complete solution for thread milling whirlwind. Tornado CNC milling machine where the worm EPS market dominated ring enveloping worm whirlwind milling overall technological level international leader. The company now has "EPS Tornado CNC milling Worm", "worm Tornado CNC milling machine," "thread whirling cutter" and four high-tech products; including "Worm Tornado CNC milling machine" was identified Provincial Commission by letter as "Jiangsu Province the first (set) of major equipment and key components, "" National Key New Product ";" Worm Tornado CNC milling machine "was named" Outstanding New Product Award in Jiangsu Province ";" CY40-13 / B Worm Tornado CNC milling machine. " was named "Nanjing name products." The company "Choi" trademark was named "Jiangsu Province famous trademark." The company adopted the "ISO9001 quality system" certification; has been awarded "the contract, the word" and "AAA" credit rating unit. Company and Nanjing University, Southeast University, Shandong University, Nanjing University and other colleges and carried out extensive research cooperation. At present, the company received a total of 45 granted patents, including patents 11. The company has been in "to the concept of integrity, professional skill, high-precision products to achieve quality and constantly go beyond" the guidelines, depending on innovation for business vitality, increasing innovation, and strive to create a company well-known The whirlwind milling equipment manufacturing enterprises.