Your Professional PU Wheel & Caster Manufacturer
Founded in 1997, ZHONG LIANG is a professional polyurethane (PU) wheel manufacturer with more than 20 years of industry experience. We specialize in the development and production of a wide range of PU wheel products, including polyurethane wheels, scooter wheels, skateboard wheels, roller skate wheels, luggage wheels, Pilates and fitness equipment wheels, as well as caster and industrial rubber wheels.
ZHONG LIANG operates a modern 20,000 m² manufacturing facility with an annual production capacity of up to 50 million wheels. Backed by a complete in-house production system covering mold development, injection molding, PU casting, printing, and packaging, the company is able to maintain stable product quality while supporting efficient large-scale production and delivery. With a strong R&D team and multiple core patents, we provide OEM and ODM customization services for global customers across sports, luggage, industrial, medical, and mobility-related industries. From wheel structure and material formulation to hardness, color, and branding details, the company works closely with customers to develop wheel solutions tailored to different applications and market demands.
Wheel Trimming
Injection Molding
PU Casting
Quality Inspection
Today, ZHONG LIANG PU wheel solutions are exported to markets around the world, including the United States, Canada, the United Kingdom, Germany, Taiwan, Hong Kong, and many other countries and regions. We have gained trust from customers across North America, Western Europe, Eastern Europe, South America, and Southeast Asia, as we have constantly supported a wide range of industries with stable product quality and flexible manufacturing capability.
To ensure consistent production standards and international market compliance, we have passed the ISO9001 Quality Management System certification and continue to meet the audit requirements of multiple international programs, including GS, SEDEX, DISNEY, TRU, GSV, BSCI, and SCAN. Products can be tested according to internationally recognized testing and safety standards such as GS, EN, and ASTM, while also meeting chemical safety regulations including ROHS, REACH, SVHC, PAH, and CPSIA. In addition, our wheel systems and packaging comply with PQM, GMI, and TPCH testing requirements, helping global customers meet the quality and compliance standards required in different international markets. The company holds more than 40 patents, including 6 design patents and 39 utility model patents.
Backed by a professional R&D and design team, ZHONG LIANG continues to invest in product innovation with a steadily growing number of annual patent applications. We have established a comprehensive quality control system supported by mature inspection procedures and an in-house laboratory dedicated to polyurethane wheel testing. From wheel diameter and hardness to wear resistance, impact resistance, and real-road condition simulation, every PU wheel solution undergoes strict standardized testing to ensure stable performance and near zero-defect quality standards.
Beyond manufacturing, we provide long-term support for manufacturers, brand owners, distributors, and aftermarket service providers through a responsive after-sales system and remote technical consultation services. After over two decades of continuous industry development and manufacturing experience, we have built long-term strategic partnerships with more than 100 globally recognized brands, including Decathlon and Cougar, serving customers across a wide range of international markets.