Established in January 2010 and located in Wujin District, Changzhou City, Jiangsu Province, Changzhou Kairuilai Precision Tools Co., Ltd. is a high-tech enterprise specializing in the research, development, and manufacturing of honing equipment and tools; precision component processing; and customized honing technical services, with strong technical expertise in deep-hole precision machining.

The company operates a 4,500-square-meter specialized research and production facility with total assets exceeding 40 million yuan. It is equipped with advanced manufacturing equipment including high-end precision machining tools and comprehensive testing systems—such as Studer internal and external grinding machines, Mazak and Okuma CNC machining centers, MAG four-axis/five-axis vertical machining centers, and self-developed CNC honing machines—as well as high-precision measurement instruments like Zeiss CMMs, Mar profile analyzers, and Mar roughness gauges. The company boasts a stable annual production capacity of 10,000 sets of precision mechanical components, establishing a robust foundation for ensuring product quality control across the board.

The company places great emphasis on technological innovation and brand development, having registered the "KairuiLai" trademark. It holds a total of 66 granted patents, including 15 invention patents, and has established an independent intellectual property system in areas such as advanced honing processes. Adhering to modern management principles, the company has implemented comprehensive quality, environmental, and occupational health and safety management systems, obtained certifications for these four systems, thereby strengthening its operational foundation and ensuring sustainable development.

With its leading deep-hole honing core technology, exceptionally reliable precision product quality, and comprehensive professional support services throughout the entire process, the company's honing technologies and complete equipment systems are widely applied in high-end sectors such as aerospace, automotive and components, medical devices, rail transportation, motorcycle manufacturing, and precision tooling. The company’s products have been exported to countries including India, Iran, France, and the United States through various channels. The company has successfully undertaken numerous customized precision machining projects for critical core components, earning strong customer trust and widespread industry acclaim for its exceptional product quality and efficient one-stop service solutions.