CHINA'S PREMIER
FREE WEIGHT
MANUFACTURER
Stop gambling with quality. We provide 0.3‰ defect rates, 3-year warranties, and factory-direct pricing for Dumbbells, Plates, and Bars. One-Stop OEM/ODM Solutions.
Premium Free Weight Solutions
"Don't let your customers settle for mediocrity. Stock the equipment that builds champions. High margins, low defect rates."
Rubber Hex Dumbbells
Classic anti-roll design. Low odor virgin rubber. Knurled chrome handle. 1-50kg.
CPU/Urethane Series
Premium commercial grade. Bayer CPU. Tear-resistant, zero odor, laser logo.
Cast Iron/Chrome
Old school durability. Painted or Electroplated finish. Economical choice.
Competition Bumpers
IWF Standard. Color coded. Shore A 90. Zinc-plated steel disc insert.
Standard Cast Iron
Black paint or Hammertone finish. The basic essential for every gym.
Ceramic Coated Bars
1500lbs rating. 8 Needle Bearings. Multiple colors (Red, Blue, Black).
Women's 15KG Bars
25mm shaft diameter. Needle bearings. Perfect for CrossFit/Olympic lifting.
Build YOUR Brand, Not Ours
"We don't just manufacture equipment; we manufacture your market dominance with full custom branding."
Logo Customization
Complete branding freedom. Laser engraving on steel, embossed logos on rubber, silk screen printing, or custom stickers.
Color Matching
Stand out from the black-and-grey competition. We can match any Pantone color for rubber, urethane, and paint finishes.
Retail Packaging
Amazon FBA ready. Custom branded cartons, user manuals, and barcode labeling. We make it ready to sell the moment it arrives.
Why 60+ Countries Choose Byfit?
"Stop losing sleep over supplier issues. We've engineered the risk out of your supply chain so you can focus on profit."
Afraid of Bad Quality?
We perform 10,000 drop tests per batch. Our defect rate is ≤0.3‰ (Industry avg: 2-5%).
Toxic Smells?
100% Malaysian Natural Rubber + German BASF. No smell, No fading. CA65/REACH certified.
Precision Issues?
CNC Machined. Weight tolerance ±1.5%. Hole tolerance ±0.05mm. Perfect fit guaranteed.
Late Delivery?
20 Auto-lines. 150k Stock. Regular orders in 30 days, Rush orders in 15 days.
High MOQ?
Start small. MOQ 100pcs per model. Mixed containers supported for easy startup.
Low Margins?
Factory Direct. Save 15-25% vs trading companies. Annual rebates available.
After-Sales Hell?
3-Year Warranty (Industry std: 1 year). Broken on arrival? Replaced instantly.
Marketing Weak?
Free Marketing Kit. High-res photos, videos, 3D renders provided for your store.
The ByFit Advantage
| Feature | BYFIT STANDARD | Other Factories |
|---|---|---|
| Defect Rate | ≤0.3‰ (Verified) | 2% - 5% (Common) |
| Rubber Smell | Zero Odor (Virgin Rubber) | Pungent / Toxic Smell |
| Warranty | 3 Years | 6 - 12 Months |
| Weight Tolerance | ±1.5% (CNC Machined) | ±3-5% (Rough Cast) |
| Lead Time | 15-30 Days | 45-60 Days |
| After-Sales | Instant Replacement (90 Days) | Difficult / No Response |
The Byfit Quality Standard
Transparency is our policy. Take a look inside our process.
Massive Production Capacity
Never worry about stockouts during peak season. Our 10,000㎡ facility houses 20 fully automated production lines.
- Monthly Capacity: 800,000 Dumbbell Pairs
- Monthly Capacity: 1.5 Million Plates
- 15-Day Rush Order Turnaround
Premium Raw Materials
We don't cut corners with recycled scrap. We strictly use Malaysian Virgin Rubber and German BASF/Bayer CPU materials.
- Zero Toxic Odors
- No Color Fading over time
- High Tensile Strength Steel
Precision Manufacturing
We implement IATF 16949 automotive-grade quality management systems. Every weight is CNC machined for perfect balance.
- Weight Tolerance: ±1.5%
- Hole Tolerance: ±0.05mm
- Seamless Welding Technology
Rigorous QC Testing
We don't just check visuals; we test durability. Every batch undergoes destructive testing to ensure safety.
- 10,000 Drop Tests (1.2m height)
- 500kg Barbell Static Load Test
- 100% Pre-shipment Inspection
Retail-Ready Packaging
Save time and money at the warehouse. We provide Amazon FBA compliant packaging and custom branding.
- Heavy Duty 5-Layer Cartons
- Custom Barcode Labeling
- Palletized for Safe Transport
Certified Excellence
Sell globally with confidence. Our products meet the strictest safety and environmental standards in the EU and USA.
- REACH & RoHS (Environmental)
- CA65 (California Prop 65)
- ISO 9001 & ISO 14001
Join The Top 1% of Fitness Wholesalers
"Stop settling for mediocre suppliers who eat into your profits. Partner with Byfit and experience the stability, quality, and support that builds market leaders. Your competitors are likely already here—don't get left behind."
John D.
CEO, Fitness Imports USA
"Profit Margins Doubled"
"Byfit's factory-direct pricing gave us the 20% margin boost we needed to dominate Amazon. Their consistent quality means our returns dropped to near zero. A game changer."
Sarah L.
Purchasing Mgr, Berlin Gym Supply
"Zero Defect Rate"
"We used to reject 5% of shipments from other Chinese factories due to smell or cracks. With Byfit, we haven't found a single defect in 3 years. The peace of mind is priceless."
Michael R.
Owner, AusStrength
"Best OEM Service"
"They didn't just print our logo; they helped design our packaging to look premium. Our brand perception skyrocketed. Byfit is a partner, not just a factory."
Frequently Asked Questions
1. What is your Minimum Order Quantity (MOQ)?
2. What is the lead time for production?
3. Do you provide samples?
4. What are your warranty terms?
5. What payment terms do you accept?
6. Is there an extra cost for custom logos/OEM?
7. Can you handle shipping to my door (DDP)?
8. Can I send a 3rd party for inspection?
9. Do you offer exclusive distribution rights?
10. Can I visit your factory?
Want to Outsell Your Competitors?
Partner with us and get our Wholesaler Growth Kit for FREE. Includes professional product photography, 3D videos, and Amazon-ready listing templates.
*Limited to new wholesale partners only.
Ready to Scale Your Fitness Business?
Don't let unreliable suppliers hold you back. Switch to Byfit and experience the peace of mind that comes with professional manufacturing.
Send Us a Message
Get In Touch
Factory Address
Ningjin County Industrial Zone, Dezhou City,
Shandong Province, China 253400