Our company, Top Metalwork Ltd., has been producing various trailer hub, brake drum , rotor , trailer foring parts and steel casting parts for trailer for over 18 years. Our trailer hubs and brake drums are used on 2000lbs to 10000lbs trailer and track axles. Materials include SAE G3000, G3500, ductile iron or as per request.Surface finish could be black painting, hot dip galvanizing, e-coating. We also produce various trailer casting and forging parts as per customers drawing or samples. We own two foundries and one machining factory with 50 sets CNC equipment.Annual production capacity is 14000 ton. We are also ISO2001: 9000 certified with quality assurance system . Your enquires are highly welcomed, please feel free to contact us. Lucy Lin Marketing Manager Top Metalwork Ltd.