DER SHENG

Staircases of metal; scaffolding of metal; brackets of metal for building; bed casters of metal; furniture casters of metal

Casings for pneumatic tires; pneumatic tires; tires, solid, for vehicle wheels; mine cart wheels; hand cars, being railway handcars; casters for shopping trolleys

Dinner wagons; bed casters, not of metal; furniture casters, not of metal; display stands