Yuhuan CNC Machine Tool Co., Ltd. researches, develops, produces, sells, and services CNC machine tools for grinding and polishing in China, Taiwan, Vietnam, Portugal, Russia, Kenya, Brazil, and internationally. The company provides double surface, camshaft, and valve grinders; single, double, and complex surface lapping/polishing machines; intelligent equipment, including MT line, packing, and microelectronics automation equipment; and piston rings equipment, as well as magnetic polishing and disc grinding machines. Its products are used in various applications in the areas of automotive, IT electronics, bearings, seals, household appliances, and others. The company was formerly known as Hunan Yuhuan Tongxin Numerical Control Machine Tool Co., Ltd. Yuhuan CNC Machine Tool Co., Ltd. was founded in 2004 and is based in Changsha, China.