Robust Spring-Loaded Engineering
Designed for high-load stability and noise reduction. JRT’s heavy-duty series features forged steel housings and high-resilience PU on cast iron wheels.
Heavy Duty Single Spring
Available from 4-inch to 8-inch. This series utilizes a heavy-duty single coil spring paired with a cast iron core PU wheel, perfect for logistics and warehouse carts.
- ● 4-inch to 8-inch Versatility
- ● High-Resilience PU on Cast Iron
- ● Zinc-Plated for Corrosion Resistance
Baking Blue Paint Industrial
A specialized industrial series with a durable blue baking finish. Engineered for high-impact environments where visual identification and extra protection are required.
- ● Premium Blue Baking Paint Finish
- ● Extra Thick Forged Steel Plate
- ● Smooth Operation on Uneven Floors
Optimized Wheel Materials for Every Surface
| Material Type | Core Strength | Best Environment | Benefit |
|---|---|---|---|
| Polyurethane (PU) | Cast Iron / Aluminum Core | Warehousing & Logistics | Floor protection & high wear resistance |
| Elastic Rubber | Reinforced Nylon Core | Hospitals & Laboratories | Ultimate noise reduction & shock damping |
| Stainless Steel (SS) | 304 / 316 Grade Brackets | Food & Pharmaceutical | Wash-down safe & chemical resistance |
Automotive & AGV
Essential for automated guided vehicles carrying heavy chassis or battery packs, preventing electronic sensor failure due to floor impacts.
Semiconductor & Tech
Our non-marking cleanroom-safe casters protect micro-chips and silicon wafers from micro-vibrations during transport.
Medical & Pharmaceutical
Designed for wash-down environments, ensuring silent and stable movement for diagnostic imaging machines and surgical carts.
Custom Engineering Support
Since 2009, JRT has been more than a supplier. We are a technical partner. Our Jiaxing-based facility utilizes advanced spring-testing equipment to ensure every custom order meets precise deflection requirements.
- ✔ 2D/3D CAD Drawing Provision (STEP, DWG)
- ✔ OEM/ODM Custom Load Capacity Calibration
- ✔ Salt Spray & Durability Testing Reports
Fast Global Logistics
Regular shipping routes to our core European markets:
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