PYC is a manufacturer of various ceramic bearings that offer high and low temperature resistance, and include balls made of full ceramic material with precision from G5 to G200. Ceramic flange ball bearings come in metric and inch sizes. Ceramic self aligning ball bearings come in open and sealed types. Single row angular contact ball bearings are available. Thrust bearings come in miniature thrust ball, single direction thrust ball, and double direction thrust ball bearings. Full ceramic, wheel and hybrid bearings are available as well.

Shanghai Unite Technology Co, Ltd manufactures ceramic bearings in various ceramic materials for various applications. The ceramic materials available include Zirconia, Alumina, Silicon Nitride and Silicon Carbide. Some types available include ball, angular contact, deep groove, and self aligning bearings.