Spark Plugs Manufacturer
Spark Plugs Manufacturer






The center electrode is made of iridium/platinum material, which greatly improves ignition accuracy and service life, and is suitable for high compression ratio engines.
Every spark plug undergoes a full-process quality inspection to ensure zero defects leaving the factory.
The electrode and shella are bonded using laser welding technology, ensuring a tight connection that resists high-frequency vibrations and extreme temperatures.
We try and respond to all concerns within 24 hours and our teams are always at your disposal in case of any emergencies.
We use real ignition tests and performance comparisons to visually demonstrate that CASQ spark plugs match the performance of world-leading brands, providing a more cost-effective choice for your engine.
With stable quality and professional services, CASQ has become a long-term partner of numerous auto parts distributors and repair institutions worldwide. We hold a complete range of relevant certifications, providing solid assurance for your procurement.


Equipped with fully automated production equipment and precision inspection systems, we ensure the manufacturing accuracy and performance consistency of every spark plug.



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