ZYS

Machine Parts, namely, bearings and cages, roller bearings, high frequency principal axis, machine tools, namely, grinding machines, lapping machines, high-precision ring rolling machine tools, cutting tools, namely, bearing cutter, Power Operated grinding wheels

Instruments for measuring bearings quality parameters, nondestructive inspection instruments for bearings use, measuring instruments for bearing dynamic balancing, laser measuring instruments for industry use, testing machines and apparatus used in materials industries, testing machines and apparatus for use in testing bearings, electronic control apparatus for controlling machine tools, electrical power supplies

Chemistry analysis, chemistry research