Not a private company. China Aviation Development Harbin Bearing Co., Ltd. is a state-owned enterprise established in 1958 and is a subsidiary of Aviation Industry Corporation of China. China Aviation Development Harbin Bearing Co., Ltd. has advanced production equipment and technical strength, and has a wide range of applications and influences in aerospace, high-speed rail, large machinery and other fields. Its products cover various types of bearings and special bearings, such as high-speed, ultra-high-speed , high temperature, low noise, high precision and other bearing products, and also provides bearing supporting services and related technical support.