KBN is located in Chengdu, Sichuan, China, with its own production factory. It is a specialized enterprise focused on the research, development, manufacturing, and global supply of high-end oil seals. The company has long been deeply engaged in the sealing field of automotive engines and transmissions, serving the global aftermarket. It adheres to high-performance products and reliable quality as its core, providing customers with stable, excellent, and highly customized sealing solutions. The company is equipped with advanced manufacturing equipment such as precision CNC lathes, CNC milling machines, rubber preforming machines, and vacuum vulcanizing machines, with an annual production capacity of 15 million pieces. At the same time, KBN has established a complete raw material and finished product inspection system, and successfully passed the IATF 16949 quality management system certification in 2022, ensuring long-term stable and reliable product quality.