PU Dumbbells
Commercial-grade PU urethane dumbbells from ZEALLSPORT Nantong factory





Dumbbells / Commercial Grade / Nantong Core Product
PU Urethane Dumbbell Set (2.5-50kg)
Premium PU urethane dumbbells — the top choice for commercial gyms worldwide. 12-sided anti-roll design, laser-engraved weight markings, chrome contoured handles, and odor-free polyurethane coating. Available 2.5-50kg in 2.5kg increments. OEM logo laser engraving and custom colors available. Built in our Nantong factory, CE certified, ISO 9001 quality.
Technical Specifications
| Material | Solid cast iron core + PU urethane coating |
| Weight Range | 2.5kg - 50kg (2.5kg increments) |
| Weight Tolerance | ±2% |
| Shape | 12-sided (dodecagon) anti-roll |
| Handle Diameter | 35mm (contoured, knurled) |
| Handle Material | Chrome-plated steel |
| Coating | Odor-free polyurethane (PU) |
| Marking | Laser-engraved kg / lb |
| Color Options | Black (standard) / Custom Pantone |
| Certifications | CE, ISO 9001, RoHS |
Packaging & Shipping
| Packaging | Pair per carton, foam protected |
| Carton Size (2.5kg) | 32 x 18 x 12 cm |
| Carton Size (50kg) | 55 x 30 x 20 cm |
| Gross Weight (set) | ~550 kg (full 2.5-50kg set) |
| Sets per 20ft Container | ~35 full sets |
| Sets per 40ft HQ | ~80 full sets |
| Lead Time (Standard) | 20-25 days |
| Lead Time (OEM) | 30-40 days |
| Port of Loading | Shanghai, China |
| Payment Terms | T/T 30% deposit, 70% before shipment |
OEM / ODM Services for Dumbbells
We offer comprehensive OEM and ODM services for dumbbells, serving gym chains, distributors, and fitness brands worldwide. Our in-house tooling and PU molding capabilities allow us to produce custom designs from concept to mass production.
OEM Services
- Laser-engraved logo on dumbbell ends
- Custom PU colors (Pantone matching)
- Custom printed cartons with your branding
- Private label manuals and warranty cards
- Custom handle knurling patterns
- Custom weight ranges and increments
Quality Assurance
- 100% weight inspection per dumbbell
- PU adhesion strength testing
- Drop test from 1.5m onto concrete
- Salt spray corrosion test (chrome handles)
- Batch inspection reports available
- CE, ISO 9001, RoHS certified
Shipping & Logistics
We ship worldwide from Shanghai Port. Our logistics team handles all documentation including commercial invoices, packing lists, certificates of origin, and CE declarations. We work with all major freight forwarders and can arrange FOB, CIF, or DDP shipping terms.
Pro Tip: For first-time OEM orders, we recommend starting with a sample pair (1-2 weeks lead time) before placing a bulk order. This allows you to verify quality, logo engraving, and color matching before committing to large quantities.
"Outfitted our gym with 20 pairs of these PU dumbbells. Zero odor, premium feel, and after 2 years of daily use they still look brand new. Best dumbbells we've ever used — and we've tried all the major brands."
"Been importing ZEALLSPORT PU dumbbells for 3 years. OEM laser engraving is clean and precise, customers love the quality. Lead times are consistent and the team is responsive. The PU coating really does last much longer than rubber."
"Installed a full set in our hotel fitness center with custom logo engraving. Guests compliment the equipment regularly. Only note: the 50kg pair is quite heavy to move, but that's expected. Would order again for our next property."


