About Us

High-Quality Sprockets and Chains Manufactured by JOMTHAI

Achieving Lasting Durability and Performance is Our Ultimate Goal at JOMTHAI

Since 1984, JOMTHAI has grown from a small business into a leading manufacturer of high-quality motorcycle sprockets and chains. With a commitment to precision and excellence, our “RISING SUN” brand is trusted in both local and international markets.

The factory is located at 18/9 Suvintawong Road, Lumpakchee district, Nongjok, Bangkok 10530, with an area of 89600 SQM, comprising 1200 SQM for office, 30,000 SQM for production lines, 6400 SQM for storage and 52,000 SQM for others. The company has a registered capital of 100 million baht and more than 600 employees.

For over 40 years of growth as a key player in the motorcycle part manufacturing, we are committed to continuous product development at reasonable pricing. We regard maintaining and improving product quality a key success factor in ensuring safety to all customers.

Remarkable Facts:

Numbers That Reflect Our Excellence

Products

chains per month.

Years of Experience

Quality is Our Priority! We Ensure Every Detail is Meticulously Considered in the Manufacturing of Every Product. Our Commitment is 100% Focused on Meeting Client Needs and Ensuring Satisfaction.

Innovation and Technology

JOMTHAI continually invests in cutting-edge technology and research to improve its products. Mention the use of advanced CNC-controlled machines and high-precision design systems that ensure every sprocket and chain meets or exceeds industry standards

Unrivaled Quality in Every Sprocket and Chain

At JOMTHAI, quality is not just a standard, but our promise. We utilize premium-grade materials combined with advanced heat-treatment processes to ensure maximum durability and performance. Every sprocket and chain undergoes rigorous quality control and precision testing to guarantee that our customers receive only the best for their motorcycles, whether for daily use or professional racing.