Custom Polyurethane Wheel and Caster Manufacturer
End-to-End Manufacturing: From Mold Design and Injection to Final Assembly

Founded in 1997, ZHONG LIANG is a manufacturer specializing in polyurethane wheels and casters with over 20 years of industry expertise. Our extensive product portfolio covers PU wheels, scooter wheels, skateboard wheels, roller skate wheels, luggage wheels, Pilates reformer and fitness equipment replacement wheels, as well as industrial swivel casters.
Operating from a modern manufacturing facility of 20,000 square meters, we maintain an annual production capacity of up to 50 million wheels. We provide full-process custom manufacturing—from mold design and injection to polyurethane casting and final assembly—to ensure consistent quality and efficient delivery for our global customers.

20+ years

20+ years

Years of Expertise

50,000,000 units

50,000,000 units

Annual Capacity

10 standards

10 standards

Rigorous Quality Control

Our Products
Explore Our Custom Polyurethane Wheels, Rigid & Swivel Casters
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Polyurethane Wheels

Polyurethane Wheels

Polyurethane wheels, commonly known as PU wheels, are widely used in both industrial and recreational applications due to their balanced combination of strength, elasticity, wear resistance, and smooth rolling performance.

Casters

Casters

ZHONG LIANG manufactures caster wheel solutions ranging from compact 35mm wheels designed for office furniture and everyday mobility products to heavy-duty industrial casters up to 270mm in diameter.

Our Products
Manufacturing & Quality
Trusted by Over 100 Global Brands

We deliver end-to-end manufacturing of polyurethane wheels and casters, from initial mold design to final assembly. Our manufacturing facility incorporates engineering, injection molding, polyurethane casting, printing and quality control capabilities, enabling us to produce up to 176,000 wheels every day, with an annual capacity of 50,000,000 wheels.

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Mold Design & Development Mold Design & Development
Wheel Trimming Wheel Trimming
Injection Molding Injection Molding
PU Casting PU Casting
Quality Inspection Quality Inspection
Packaging Packaging