Self-lubricating mechanical friction parts, especially of composite materials, namely, wear rings, washers, bushings, spherical bearings, bearing pads, sliding blocks and machine transmission gears all for load bearing machines, conveyors, handling trucks and machines, lifting machines, agricultural machinery, construction equipment machines and hydraulic turbines

lubricants and greases for use in rock drilling

SYNTHETIC PLASTIC INJECTION-MOLDING MATERIALS IN PELLET OR GRANULAR FORM