Precision performance for demanding engines — Made in Taiwan. (ISO-9001 /TS16949 CERTIFIED FACTORY)
YANGMART supplies high-precision Engine Valves, Valve Guides and Valve Seats engineered for agricultural, marine, industrial and construction engines. With strict material selection and OEM-grade machining, our valves deliver stable durability, reliable sealing and long service life under extreme temperature and heavy-duty cycles. Each part is manufactured in Taiwan to ensure consistent quality, competitive lead times and trustworthy long-term supply for global customers, supported by Japanese industrial techniques and premium raw materials for enhanced reliability and performance.
Key Features
Our valve components are built for durability and stable performance under high temperature, heavy load and continuous operation. With heat-resistant materials and precise machining, they provide reliable sealing, smooth combustion and strong resistance to wear and corrosion — factory images are available below for your reference.
Material Advantages
To ensure long-lasting durability, our products are manufactured using industry-proven alloys and high-temperature materials:
| Material | Application | Key Advantages |
|---|---|---|
| SUH3 / SUH35 | Intake & exhaust valves | Excellent heat resistance and oxidation stability |
| Stainless Steel | Valve stem & body | Corrosion resistance and stable mechanical strength |
| FC25 | Guides & seats | Good machinability and wear resistance for supporting parts |
| Stellite (Cobalt-base alloy) | Valve face | Superior wear resistance for heavy-duty exhaust conditions |
Surface Treatment
Our surface enhancements improve durability and extend component lifespan:
| Treatment | Benefit |
|---|---|
| CR – Hard-chromium plated | Reduces friction and stem wear |
| TF1 – Tufftrided / Gas nitriding | Enhances surface hardness and fatigue strength |
| Induction Hardened | Improves heat and impact durability |
| Stellite Welded | Withstands extreme temperature and high-pressure exhaust flow |
Why YANGMART
YANGMART delivers stable quality, trustworthy lead times and reliable long-term supply with 100% Made-in-Taiwan production and strict material control. Our components are engineered for agricultural, marine, industrial and construction engines, offering dependable performance for professional markets worldwide. Samples are welcome, and custom designs are available to meet your market or technical requirements. Contact our sales team for more details or request a quotation — we are ready to support your business.