about us
Ningbo
Fortune Auto Parts Manufacture Co., Ltd.
1.Manufacturer qualified with certificates like ISO9001
2.More than 15 years experience exporting all kinds of wheel weights, Tire Valves, Tire Repair Kits, Wheels
3.Never use inferior material
4.100% tested before shipment
Choose us
Ningbo Fortune Auto Parts Manufacture Co., Ltd. specializes in auto parts manufacturing.
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IATF 16949:2016
FORTUNE -
TUV
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FCC-ID
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ISO 9001:2015
Customer Visit News
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Wheel Bolt Surface Treatment Comparison: Zinc Plating vs Dacromet vs Geomet — 480h Salt Spray and Cost-per-Part Analysis
Zinc plating is the cost-floor workhorse, but standard clear or yellow zinc rarely clears 480h red rust on its own. Dacromet is the original chromium-free zinc-flake system built around 480h white-rust resistance without hydrogen embrittlement risk. Geomet refines that recipe with tighter fricti...
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Open-End vs Closed-End Lug Nuts: How 150°C Brake Disc Heat Walks Out Your Preload (And What to Do About It)
At a sustained 150°C brake-disc temperature, our in-house test shows closed-end acorn lug nuts lose about 24.3% of their initial clamp load after 60 minutes, versus 17.5% for open-end bulge lug nuts on the same wheel assembly. The gap comes from geometry: a closed-end acorn traps heat around t...
