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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Valve Core Thread Standards: 5V1 (M5x0.8) vs 8V1 (M8x1) Torque and Compatibility Guide for Tire Shops
Choosing the wrong valve core thread for a wheel assembly can cause slow leaks, blowouts, or expensive comebacks. For tire shop owners, fleet managers, and parts distributors, understanding the difference between 5V1 (M5x0.8) and 8V1 (M8x1) valve core thread standards is not optional — i...
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EPDM vs Natural Rubber in Tire Valve Stems: 70°C Aging Test Results and 5-Year Seal Life Prediction
Choosing the right rubber compound for a tire valve stem is not a trivial decision. The valve stem is the one component that must maintain an airtight seal across years of thermal cycling, UV exposure, ozone attack, and constant vibration. A leaking valve stem is a silent problem — the tire...
