Who is
SUMAX
Founded in 2009, SUMAX has established itself as one of the leading manufacturer and comprehensive solution provider in the automotive chain drive system industry. Over the past decade, we have built a reputation for excellence, innovation, and reliability, making us a trusted partner for automotive manufacturers worldwide.
Our success is driven by our dedicated team of over 700 experienced and skilled professionals. Our team includes engineers, researchers, and manufacturing specialists who work collaboratively to design, develop, and produce high-performance chain drive systems. Their expertise and commitment ensure that we consistently deliver products that meet the highest standards of quality and performance.

We work
worldwide
With a global presence, SUMAX serves partners in over 100 countries around the world. Our extensive distribution network ensures that our products are readily available to our customers, no matter where they are located.
Our history
2009 - 2012
2009
Startup of 15 employees
2011
Attending the first oversea exhibition
2012
Establishment of the office in Hangzhou
2013 - 2018
2013
Certified with IAFT 16494:2016
2015
Enlargement of professional CNC workshop with more than 10 CNCs
2018
Workshop expansion to 20,000 square meter
2019 - 2021
2020
Opening of the US office
2020
First hybrid OE timing chain system successfully developes
2021
VVT Factory established in Taizhou
2022 - 2024
2022
Related companies collaboration in Hangzhou
2023
Opening of the EMEA office in Milan
2024
New plant start operating in Yuhuan
OE business
SUMAX is one of the largest OE manufacturer for a wide variety of Asian brands for timing chain drive system. All these brands have chosen to equip their engines with our chain drive system thanks to the choice of high-end materials and always advanced production methods.
We operate in various fields:
- Automotive
- Motorcycle
- Agricultural
- Environmental protection
- Energy
- Construction
- Logistic
- Health care

Aftermarket
At SUMAX, we pride ourselves on our customer-centric approach. We believe in building strong, collaborative relationships with our customers, working closely with them to understand their specific needs and challenges. This approach allows us to develop customized solutions that deliver optimal performance and value. Our “All-in-One” solution for automotive chain systems is a testament to our dedication to meeting the unique requirements of each customer.
Quality is at the heart of everything we do at SUMAX. Our manufacturing processes are rigorously controlled to ensure that every product we produce meets the highest standards of quality and performance. We use advanced materials and manufacturing techniques to create chain drive systems that are durable, reliable, and efficient.
Timing Chain Kit
Our mission
At SUMAX, we drive the evolution of the automotive OE & aftermarket by creating innovative, high-quality products that enhance performance and extend vehicle longevity. Committed to sustainability, we prioritize customer needs and industry trends, delivering solutions that exceed expectations and set new standards.
Our vision
Our commitment is to become a leading manufacturer and comprehensive supplier, building strong, lasting global partnerships. We focus on innovation, excellence, and collaboration to meet and exceed client expectations, fostering mutual growth and success.
Honor and certifications
With a commitment to exceptional quality management and environmental responsibility, SUMAX has earned multiple international certifications and domestic awards, including recognition as a Manufacturing Champion Enterprise and the prestigious “China Heart” Gold Award. These achievements highlight our leadership in the industry and dedication to sustainable growth.