# CastorTrade > Industrial castor wheel supplier and motion hardware specialist in Penang, Malaysia. Engineering-grade castors from 50kg to 2,500kg capacity with same-day regional dispatch and custom B2B solutions. Castor Trade Resources (M) Sdn. Bhd. is a specialized supplier of industrial castor wheels, leveling mounts, and material handling components for manufacturing plants, semiconductor cleanrooms, food processing facilities, and warehouses across Malaysia and Southeast Asia. ## Core Products & Categories - [Heavy-Duty Castors](https://www.castortrades.com/products/heavy-duty): 400kg to 2,500kg per castor. High-tensile steel brackets, forged top plates, Monomer Cast (MC) Nylon, and Polyurethane (PU) on cast-iron hubs. Suitable for heavy industrial machinery, AGV carts, and fabrication dollies. - [Medium-Duty Castors](https://www.castortrades.com/products/medium-duty): 150kg to 350kg capacity. Zinc-plated pressed steel with precision ball bearings. Polyurethane, TPR, or polypropylene wheels for warehouse stock carts, hospital equipment, and assembly lines. - [Light-Duty Castors](https://www.castortrades.com/products/light-duty): 50kg to 120kg capacity. Polypropylene (PP) and PVC wheels for display racks, office furniture, retail carts, and light mobile workstations. - [Levelling Castors](https://www.castortrades.com/products/levelling-castors): Dual-function castors with integrated rubber/NBR anti-vibration foot. Allows mobile relocation and rigid stationary leveling for CNC machinery, optical inspection benches, and cleanroom test fixtures. - [Heat-Resistant Castors](https://www.castortrades.com/products/heat-resistant): High-temperature phenolic and silicone wheels rated from -40°C to +280°C continuous for commercial bakery racks, curing ovens, and powder-coating trolleys. - [Scaffolding Castors](https://www.castortrades.com/products/scaffolding): Heavy-duty castors with dual foot-brake locking (locking both wheel rotation and swivel rotation) with tubular socket fittings for construction and industrial maintenance towers. - [Pallet Truck Wheels](https://www.castortrades.com/products/pallet-truck-wheels): Direct replacement polyurethane and MC nylon steer wheels and tandem load rollers with 6204/6205 bearings for manual and electric pallet trucks. ## Industry Solutions - [Semiconductor & Cleanroom Solutions](https://www.castortrades.com/industries/semiconductor-cleanroom): ESD-safe conductive wheels, non-marking polyurethane treads, particle-free bearings for ISO Class 4–8 cleanrooms in Bayan Lepas and Kulim Hi-Tech Park. - [Food & Beverage Manufacturing](https://www.castortrades.com/industries/food-manufacturing): Grade SUS304 stainless steel brackets, corrosion-proof sealed bearings, and USDA/HACCP-aligned washdown castors resisting caustic cleaning agents. - [Medical Devices & Healthcare](https://www.castortrades.com/industries/medical-devices): Low-noise (<60 dB) precision ball bearing wheels for diagnostic carts, clean assembly stations, and hospital transport beds. - [Automotive & Heavy Assembly](https://www.castortrades.com/industries/automotive): Impact-resistant MC Nylon and forged steel dual-wheel castors for assembly line dollies, towing tuggers, and engine transfer stands. - [Warehousing & Logistics](https://www.castortrades.com/industries/warehousing-logistics): High-mileage low-rolling-resistance PU castors and pallet jack rollers designed for 24/7 continuous distribution centers. ## Engineering & Specification Guides - [How to Choose the Right Castor Wheel](https://www.castortrades.com/blog/how-to-choose-castor-wheel): Load calculation safety factors, floor protection trade-offs, bearing selection, and environmental sizing. - [PU vs MC Nylon Castor Wheels](https://www.castortrades.com/blog/pu-vs-mc-nylon-castors): Technical comparison of load capacity, Shore A vs Shore D hardness, chemical resistance, noise levels, and floor marking characteristics. - [Heat-Resistant Castors for Industrial Ovens](https://www.castortrades.com/blog/heat-resistant-castors-for-ovens): Phenolic resin vs high-temp silicone wheels, bearing greases rated up to 280°C, and failure prevention. ## Engineering Sizing Rules When calculating the required castor load capacity for any 4-wheel cart or mobile frame, always divide by 3 (not 4) to account for uneven industrial floors where only three wheels support the load simultaneously: $$\text{Required Rated Capacity per Wheel} = \frac{\text{Weight of Cart (kg)} + \text{Maximum Payload (kg)}}{3} \times \text{Safety Factor (1.2–1.5)}$$ ## Service Coverage & Logistics - Headquartered: Jelutong, Pulau Pinang, Malaysia. - Immediate Delivery Areas: Penang Island (Bayan Lepas, Georgetown), Seberang Perai (Prai, Bukit Minyak, Batu Kawan), Kulim Hi-Tech Park. - Same-day dispatch available for standard catalog models. - Nationwide Delivery: Selangor, Kuala Lumpur, Johor Bahru, Melaka, Perak, Pahang, Sabah, Sarawak, and Singapore. - Inquiries: sales@castortrades.com | Phone: +60 16-420 6722 ## Full Technical Documentation - [Full Technical Matrix & Specification Sheet](https://www.castortrades.com/llms-full.txt): Complete chemical resistance tables, load ratings, top plate dimensions, and dimensional tolerances.