ATD Valve – Precision Engine Valves for Demanding Applications

About ATD Valve

ATD is a well-reputable manufacturer of engine valves, seats, and valve guides with over 30 years of history in China. Our mission is to supply our customers with "best-in-class" quality and first-class products and service. Customer needs are our priority, and we continuously pursue the highest quality through innovation and patented technology.

We manufacture inlet and exhaust valves for engines running on gasoline, diesel, natural gas, marine diesel oil, and heavy fuel. Our specialized seat coatings extend component life, and we use advanced materials such as Nimonic, Inconel, iron-based alloys, titanium, and titanium aluminides. Our valves can be welded with Stellite, Triballoy, and Colmonoy for enhanced durability.

Advanced R&D Capabilities

• Valve seating force dynamic simulation analysis
• Valve stress-strain and fatigue life analysis
• Valve working temperature and clearance analysis
• Parameterization design and optimization

Zero-Defect Principle

ATD produces over 8 million valves, seats, and guides annually with a strict zero-defect quality control process. All materials, including alloy powders and valve steel, are sourced from internationally renowned suppliers.