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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TPMS valve stem material RF interference: measured 433 MHz signal loss across copper, aluminum, and brass rod — 3-protocol benchmark for OEM buyers
Table of Contents Why TPMS valve stem material matters at 433 MHz The RF signal interference mechanism overview Test protocol and frequency bands Copper rod — attenuation profile at 433 MHz Aluminum rod — attenuation profile at 433 MHz Brass rod — attenuation profile at 433 MHz Material compari...
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Valve Cap Seal Performance: Plastic vs Aluminum vs Brass with O-Ring — Leak Rate Data at 3.5 Bar and -30°C
If you are sourcing tire valve caps for a fleet, a retail brand, or a distributor catalogue, the seal performance of the cap is the last specification most buyers check — and the first one that fails in service. The cap looks like a commodity. It is not. The cap is the only sealing element betwee...
