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Shijiazhuang KaBang Engine Valve Manufacturing Co., Ltd. has been a trusted name in automotive and internal combustion engine valve production since 1992. With advanced German QPQ salt bath soft nitriding technology and precision CNC automation, we deliver durable, high-performance valves trusted across Europe, South America, and Southeast Asia.
Est.
1992
Export To
30+ Countries
Standards
QC/T469-2002
Founded in 1992, Shijiazhuang KaBang Engine Valve Manufacturing Co., Ltd. is a professional manufacturer specializing in automotive valves and internal combustion engine intake and exhaust valves. Our commitment to innovation and quality has positioned us as a reliable supplier in the global automotive components market.
We utilize advanced production techniques including dual-metal friction welding, plasma surfacing, spiral polishing, end-quenching, chrome plating, nitriding, and laser surface treatment. Our adoption of German QPQ salt bath soft nitriding technology significantly enhances surface strength, wear resistance, and fatigue resistance—extending valve life under extreme conditions.
200+
Global Clients
30+
Countries Served
High-performance engine valves engineered for durability, precision, and reliability. All products meet QC/T469-2002 standards and are exported worldwide.
High-strength exhaust valve for heavy-duty engines. Features chrome plating and QPQ nitriding for enhanced durability.
Precision intake valve with plasma surfacing on cone surface. Ideal for high-revving automotive applications.
Dual-metal friction welded valve for diesel engines. Resistant to thermal fatigue and corrosion.
Laser-treated exhaust valve with spiral polished stem. Optimized for high-temperature environments.
Chrome-plated intake valve with end-quenched tip. Ensures long service life and consistent performance.
Nitrided exhaust valve for commercial vehicles. Superior resistance to wear and pitting.
High-performance valve with plasma-sprayed coating. Designed for extended maintenance intervals.
Dual-layer coated intake valve. Combines hardness and thermal stability for peak efficiency.
Heavy-duty exhaust valve with laser-clad seat surface. Ideal for industrial engine applications.
Precision-machined valve with micro-polished stem. Reduces friction and oil consumption.
We offer tailored valve designs and manufacturing for OEMs and aftermarket brands worldwide.
Matched intake and exhaust valve sets available for popular engine models and replacements.
Our state-of-the-art facility combines German engineering with precision automation to deliver valves that exceed industry standards.
Utilizing specialized PAL numerical control machines for consistent, high-precision manufacturing across all production stages.
Salt bath soft nitriding process from Germany enhances surface hardness, corrosion resistance, and fatigue life by up to 50%.
Friction welding technology joins different alloys for optimal performance—durable head with heat-resistant stem.
High-temperature plasma coating on valve seats ensures superior resistance to erosion and high-temperature wear.
Uniform chrome layer on valve stems reduces friction, improves lubricity, and prevents scuffing during operation.
Focused laser beams modify surface microstructure for enhanced hardness, wear resistance, and thermal stability.
30+
Years Experience
50K+
Units Monthly
QC/T469
Quality Standard
98.7%
Customer Retention
We use high-grade alloys including 21-4N, 4Cr9Si2, 4Cr10Si2Mo, and Inconel for extreme temperature applications. Material selection depends on valve type and engine requirements.
Yes, we provide full OEM and ODM support including custom design, prototyping, tooling, and mass production for automotive brands and distributors.
Our facility produces over 50,000 engine valves per month with scalable capacity to meet large-volume export orders.
We export to Europe, South America, Southeast Asia, the Middle East, and Africa. Our valves meet international quality expectations.
Our production follows QC/T469-2002 standards. We implement strict in-process and final inspections using advanced detection equipment.
Reach out to us for product inquiries, OEM partnerships, or technical support.
No. 40, Dawutou Industrial Zone,
Shenze County,
Shijiazhuang City,
Hebei Province, China
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