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 concluiu com sucesso a Automechanika Shanghai 2025, continuando o impulso na Automechanika Dubai Booth SA-L26
A Automechanika Shanghai 2025 concluiu com sucesso, marcando outro marco importante para a TOPU, um dos fornecedores confiáveis de peças automotivas da China na...
Convite para EQUIP AUTO PARIS & Auto Tech Egypt
A TOPU tem a honra de anunciar sua participação em duas grandes feiras internacionais do setor automotivo este ano: EQUIP AUTO PARIS no Estande DE063 (Pavilhão ...
Discover MoreParticipe da TOPU na EXPOPARTES Colômbia – Vamos nos conectar em Bogotá!
Estimado Parceiro, Convidamo-lo cordialmente a nos visitar na EXPOPARTES 2025 em Bogotá, Colômbia! ? Data: 5–7 de junho de 2025 ? Local: Centro de Exposições C...
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.