12‑5‑inch Polyurethane Tire Wheels
1. Size Range of Flat‑Free Tires
Our solid tire sizes include: 200×50, 2.80/2.50‑4, 3.00‑4, 4.10/3.50‑4, 3.00‑8, and others, covering diameters from 4 inches to 16 inches. For non‑standard sizes, we also offer custom wheel manufacturing to meet your specific requirements.
2. Quality Control of Flat‑Free Tire Materials
A. PU Material
Sourcing: We procure chemical raw materials from globally recognized suppliers such as DOW, BASF, and Air Products.
Incoming Inspection: Each batch is spot‑checked using a cup‑foaming test to ensure consistent quality.
B. Rubber Tire
Sourcing: We use rubber tires from well‑known brands, including Cheng Shin and INNOVA.
Incoming Inspection: Physical checks are performed for yellowing, damage, deformation, and other surface defects.
C. Accessories
All accessory components (nylon rims, aluminum rims, steel rims, axles, hubs, screws, etc.) comply with ISO 7176 standards.
Incoming inspections include coating adhesion tests, dimensional verification, and visual examination. Reliability testing covers tensile strength, impact resistance, and salt‑spray corrosion resistance.
3. Factory Strengths
As a direct manufacturer, we offer shorter lead times compared to trading intermediaries.
We provide full technical support to assist with installation and troubleshooting.
We take responsibility for any quality‑related issues and offer a one‑year warranty on all rims and tires.
4. Packaging & Delivery
Packaging: Standard carton packaging with pallets; custom packaging options are also available upon request.
Shipping: We support sea freight, air freight, and international express courier services.
5. Key Customers
Our products are trusted by major global brands, including:
Overseas: Sunrise, Pride, Golden Technologies, Drive DeVilbiss Healthcare, Kymco, Roma Medical, LG.
Domestic (China): INTCO, MAOTIAN, LINIX, Innuovo, Chiaphua Components, KANGNI, JIANGTE MOTOR.
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