Nippon Piston Ring Co. Ltd. (TYO:6461) is eyeing 2020 to reach practical use of an axial-gap in-wheel motor for electric…...
Nippon Piston Ring
Nippon Piston Ring to Go Innovative With Oil Ring Production
Nippon Piston Ring Co. Ltd. (NPR; TYO:6461) is switching out its current oil ring production lines for more innovative ones…....