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
Years of Expertise
50,000,000 units
Annual Capacity
10 standards
Rigorous Quality Control
Our Products
Explore Our Custom Polyurethane Wheels, Rigid & Swivel Casters
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
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.

Products By Applications
Explore wheels and casters for your industry
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.
Mold Design & Development
Wheel Trimming
Injection Molding
PU Casting
Quality Inspection
Packaging

