Lingjing City Haiao Bearing Factory is a professional manufacturer of high-quality bearings, including deep-groove ball bearings. It’s in Linqing City, Shandong Province, 27km from the Beijing – Kowloon Railway and near 315 Provincial Highway, with convenient traffic.The factory uses a CNC automatic production line and has a perfect inspection system with all-the-way tracking. It can strictly control life-testing equipment, research and analyze bearing usage in different environments to better meet customer demands.