Shinil Precision was established in 1976, specializing in rolled rings and slewing rings that are mainly used in the heavy industry field as well as excavator, cranes, and vessels used in the construction field.

Based on field experiences and the know-how accumulated, the Company has improved upon its capability of producing only the best slewing rings for the customers. In order to meet the various needs of customers, Shin-il has a state-of-the-art R&D department, at the same time allocating 10% of annual sales in search of advancing automated system and product quality.