To provide high-performance bearing solutions for the elevator industry, and to provide specialized industry solutions for elevator equipment in large domestic shopping malls, apartments, office buildings, hospitals, and other places such as gathering elevators, residential elevators, sightseeing elevators, measuring elevators, dual-purpose elevators, medical elevators, service elevators, vehicle elevators, dining elevators, fire electric elevators, escalators, and automatic pedestrian walkways. The product quality has been unanimously recognized by the market and customers.