PrecisionEngine ComponentsAnd Services
TOPU’s excellence comes from long-term commitment to materials, processes, and tolerances. At every stage of production, every inspection, and every component delivered, we achieve repeatable precision to produce engine core parts proven by time.
Over 20 years of production experience
Topu Engine Parts Co.,Ltd., founded in 2009. The company is an industrial and trade-oriented company, devoted to the R&D and production of engine hydraulic valve tappets and engine valves. We adhere to the quality control principle of "professional focus, quality win" to ensure our customers the highest quality products. Our products are successfully sold in the automotive original equipment and replacement aftermarket worldwide.
Learn about TOPUPrecision Components
Engine Valve
Engine valves are manufactured from high-temperature resistant alloy steels and precision forged to ensure dimensional accuracy, stable sealing performance, and fatigue resistance under extreme thermal and mechanical loads. Advanced heat treatment and surface processes enhance wear resistance, oxidation resistance, and long-term reliability in modern engine applications.
Explore engine valves
QUALITY FIRST
Product quality is the cornerstone of TOPU's long-term development. In strict compliance with OEM standards and the IATF 16949 quality management system, we rigorously control every stage of production and inspection to ensure products that consistently meet customer expectations.
INNOVATION
FOREMOST
By constantly enhancing manufacturing efficiency, refining product quality, and optimizing component design, we build a production system that evolves with higher standards—delivering reliable, high-performance engine components at scale.
Manufacturing Excellence
State-of-the-art facilities and advanced manufacturing processes ensure consistent quality in every component.
Automated Blank Production Line
Fully automated forging line for valve blank manufacturing
Automated Grinding Equipment
High-precision grinding for micron-level tolerances
Full-size Inspection
All engine valve products are subject to fully automatic inspection.
Tappet Assembly Line
Automated disc-based assembly system for valve tappet components
Laser Inspection System
Laser-guided quality inspection for tappet dimensional accuracy
Testing Laboratory
Precise quality control for finished products, ensuring 100% pass rate
Latest News
TOPU Successfully Concludes Automechanika Shanghai 2025, Continuing Momentum at Automechanika Dubai Booth SA-L26
Automechanika Shanghai 2025 concluded successfully, marking another important milestone for TOPU, one of the reliable China auto parts suppliers in the global a...
Invitation to EQUIP AUTO PARIS & Auto Tech Egypt
TOPU is honored to announce its participation in two major international automotive exhibitions this year: EQUIP AUTO PARIS at Booth DE063 (Hall 2.2) and Auto T...
Discover MoreJoin TOPU at EXPOPARTES Colombia – Let’s Connect in Bogotá!
Dear Partner, We warmly invite you to visit us at EXPOPARTES 2025 in Bogotá, Colombia!? Date: June 5–7, 2025? Venue: Corferias Exhibition Center, Bogotá, Colomb...
Discover MoreExhibitions & Trade Shows
Connect with us at major automotive industry exhibitions worldwide
Ready to Partner With Excellence?
Contact us today to discuss your engine component requirements and discover how TOPU can support your success.