Laizhou Tongde Auto Parts Co., Ltd., established in 2012, is a comprehensive auto parts enterprise.
In 2013, the company passed ISO9001 quality management system certification for the first time.
In September 2015, the CORINTH brand was officially established, marking the beginning of a new stage of brand-oriented and differentiated development, while simultaneously strengthening the product iteration capabilities of brake pads, brake discs, and spark plugs.
In 2018, a fully automated intelligent production line was introduced, achieving a stable daily output of 50,000 spark plugs, an annual output of 3.6 million sets of brake pads, and an annual output of 3 million brake discs. The company has obtained multiple international authoritative certifications, including ECE R90, NSF, and AMECA, ensuring product quality meets international standards and officially stepping into the global market.
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Our products stand for unwavering reliability. Through meticulous engineering and continuous innovation, we embed trust into every system, empowering drivers around the world with confidence on every journey.
Large-scale automated production lines, stable monthly output, fast delivery for bulk orders, support long-term exclusive distribution cooperation.
100% raw material inspection, full-process production monitoring, finished product sampling test, effectively avoid noise, vibration and wear problems.
Support custom mold, custom friction material formula, logo printing, color box packaging and customer brand customization.
Products exported to Europe, America, Southeast Asia, Middle East and South America, familiar with local market certification and packaging standards.
Through meticulous engineering and continuous innovation, we embed trust into every system, empowering drivers around the world with confidence on every journey.
IATF 16949 Certification
Utility Model Patent Certificate (Spark Plug)
Design patent certificate (spark plug)
Patent certificate for new side-pin iridium spark plugs
IATF 16949 Certification (Brake Discs)
R90 certified (brake discs)
R90 certified (brake discs)
3C certification (brake pads)
AMECA certified (brake pads)
COP certification (brake pads)
ECE R90 certification (brake pads)
IATF 16949 Certification (Brake Pads)
NSF certified (brake pads)
New patent certificate (brake pads)