NIIGATA Milling Machines. Catalogue set for the Models: 2HMB, 2HMA, 2UMA, and NIIGATA Milling Machines 2UM Series 2UMB, 2UMP and 2UMV. Sales and Technical Specification Catalogue. 26 Pages. Manufacturers: Niigata Models: 2UM 2UMB 2UMP 2UMV Contents: Catalog