About ROCKET

FORGED IN PRECISION,DRIVEN BY PERFORMANCE

Founded in 1970, ROCKET Industry (Tzung Dar Industrial Co., LTD.) has spent over half a century perfecting the art of connecting rod manufacturing. Headquartered in Taichung City, Taiwan, we were the first Taiwanese manufacturer to earn ISO 9001:2000 certification — a milestone that reflects our uncompromising commitment to quality.

With a capital base of NT$80M, we proudly supply connecting rods to some of the most recognized names in the powersports industry, including SYM, Yamaha, Suzuki, and Kymco. From high-performance motorcycles to marine engines and power equipment, our components are engineered to perform where it matters most.

"Precision is our tradition. Every connecting rod we produce carries over 55 years of engineering expertise — built to endure, designed to perform."
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Motorcycles

High-performance rods for street and racing bikes

🚤

Watercraft & ATV

Marine and all-terrain vehicle applications

🏁

Motocross

Competition-grade components for extreme performance

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Power Equipment

Chainsaws, lawnmowers, and industrial tools

SYM
Major OEM Partner
Yamaha
OEM Supplier
Suzuki
OEM Supplier
Kymco
OEM Supplier
Est. 1970
55+ Years Excellence
1970
Year Established
NT$80M
Capital
8+
Application Categories
ISO 9001
First in Taiwan
Why ROCKET

WHY CHOOSE US

Decades of proven expertise, world-class certifications, and partnerships with the biggest names in powersports — here's what sets us apart.

55+ Years of Expertise

Founded in 1970, we bring over half a century of specialized connecting rod manufacturing experience to every project.

First ISO 9001 in Taiwan

We were the first Taiwanese manufacturer to earn ISO 9001:2000 certification, setting the benchmark for quality in our industry.

Complete In-House Production

From forging and CNC machining to heat treatment and final inspection — everything under one roof for maximum quality control.

Trusted by Major Brands

SYM, Yamaha, Suzuki, and Kymco rely on our precision-engineered connecting rods for their most demanding applications.

Rapid Prototyping & Delivery

Our integrated OEM/ODM workflow means faster turnaround from concept to mass production without compromising precision.

Global Reach

From Taiwan to the world — we export connecting rods to manufacturers across Asia, Europe, and the Americas.

50+
Years in Business
5+
Major OEM Partners
8+
Industry Sectors
100%
Inspection Rate
FAQ

FREQUENTLY ASKED QUESTIONS