China Leading Catalytic Converter & Exhaust Systems Manufacturer
Factory Size
Catalyst Products
Employees
One Platform, Global Compliance
Unified solutions for all vehicle types
Our catalytic converters serve passenger cars to heavy trucks under one integrated production system, meeting Euro 2 through Euro 7 standards with identical technical rigor. This eliminates multi-certification costs and simplifies supply chain management.
Built to Endure Since 2013
Engineered durability backed by data
With triple thermal-shock resistance (verified by independent labs) and 17-step physicochemical processes, our catalysts deliver 5-year/150,000-mile service life – directly translating to lower warranty claims and compliance stability for clients.
From Design to Delivery – Fully Integrated
AI prototyping + robotic manufacturing, one source
Why coordinate R&D labs, coating specialists, and assembly plants? Leverage our 10+ years of AI-driven design and $2M+ advanced robotics. Get AI simulators, patented nano-coating centers, and IoT-enabled production from one unified partner – ensuring harmonized quality across 1.8M+ annual units and 30% faster time-to-market.
Future-Proof Your Clean Air Strategy
Scalable solutions evolving with global regulations
Start with Euro 5 compliance, upgrade to Euro 7 seamlessly. Our modular catalyst architecture transitions between standards without core replacement. Integrate real-time OBD monitoring, add hybrid-electrification modules, or scale production capacity as your market grows. Your initial investment stays relevant for decades.
Factory Benefits of Automation
End-to-End Component Control
Since 2013, our integrated production ensures 95%+ components made in-house – from brackets to half-shells. Automated welding and precision tooling deliver OE-grade fitment, while EPA and EU 103R certified catalysts guarantee global compliance.
100% Changing Production Speed
- Labor cost reduction
- Quality improvement value
- Material waste reduction
- Capacity increase benefit
Our Catalytic Converters
3 Way Catalyst with core R&D capabilities and proprietary patents, we design and manufacture a comprehensive range of exhaust solutions, including catalytic converters (TWC/SCR/VOC), DPFs, GPFs, DOCs, high-performance mufflers, silencers, and complete exhaust systems for passenger cars, light/heavy trucks, and vans – all engineered to meet Euro 2 to Euro 7 emission standards.
Direct Fit Catalytic Converter
3 Way Catalyst direct-fit converters: Bolt-on precision with ±0.5mm tolerance. Mandrel-bent tubing & robotic welds. OE-spec compliance for 5-minute installation.
Manifold Catalytic Converter
3 Way Catalyst manifold-integrated units: OE flanges & sensor ports. 950°C thermal armor. 30% faster light-off via nano-washcoat. Compact engine space solution.
Universal Catalytic Converter
3 Way Catalyst universal converters fit 200+ vehicles via matched pipe diameters. EPA/PRE-OBD/OBD I-III & EURO2-7 compliant. Global retrofit solution.
Diesel Particulate Filter (DPF)
3 Way Catalyst DPF captures 99.1% soot. Direct OEM replacement with gaskets/hardware. Restores power +5% fuel efficiency. 409/304 stainless steel.
Gasoline Particulate Filter (GPF)
3 Way Catalyst GPF: >95% PN10 filtration for GDI engines. EURO6d/7 ready. +1.2kPa max backpressure. TWC substrate compatible.
Catalyst Carriers & Substrates
3 Way Catalyst cores: Ceramic (400/600 CPSI) & metal (FeCrAl) substrates. Pt-Pd-Rh nano-washcoat. MnO₂-CeO₂ DOC matrix.
Exhaust Mufflers & Assemblies
3 Way Catalyst mufflers: T409 stainless steel, reduce noise 95-112dB & backpressure 35%. Modular assemblies with leak-free seals. 5-year warranty. Drive quieter, perform stronger.
Exhaust System Accessories
3 Way Catalyst has everything from brackets and hangers to flanges, flex pipe, clamps and gaskets, including all the accessories you need to complete your exhaust job.
WELCOME TO 3WAYCATALYST
Exhaust Systems Manufacturing
Founded in 2013 and headquartered in Shandong, China, we are a technology innovator manufacturing precision emission control solutions:
Core Products: Three-way catalysts (TWC), Catalytic converters, DPF/GPF, SCR/VOC systems, High-performance exhaust assemblies
Global Capacity: 2 integrated factories (Asia & North America) | 1.8M+ annual output
Tech Leadership: AI-driven rapid prototyping + Robotic welding (21 units) + Nano-coating labs
Mission: Enable cleaner mobility for 35+ countries through cutting-edge manufacturing
- 11+ Years Manufacturing Excellence
- ISO 9001 Certified Quality
Why Choose Us
3 Way Catalyst delivers precision emission control systems to 35+ countries worldwide.
Global Capacity Expansion
$20M Manufacturing Investment. Scaled to 15,000㎡ automated facilities across Asia & North America. Deployed 21 robotic welding lines (+180% throughput), enabling annual output of 1.8M+ emission systems. Achieved IATF 16949 certification.
Jun.2020
Proprietary Patents Filed
Established nano-coating R&D center with integrated test labs. Developed 17-step physicochemical process for catalytic efficiency optimization. Certified EPA & EU 103R compliance.
Apr.2022
On-Demand Scalability
$10M Modular Lines, Deployed 12 modular production cells with switchable CNC/laser/plasma configs. Achieved 7-14 days custom order turnaround (vs. industry 30 days).
Nov.2023
Precision Manufacturing Workflow
From AI-driven prototyping to robotic encapsulation, our precision process delivers 30% higher efficiency converters. 99.8% leak-free welds, 950°C thermal armor, 5-year warranty – engineered for compliance without compromise.
AI Prototyping
CFD Optimized Design (72 hours)
Ceramic/Metal Substrates
Raw materials
Mold Making
CNC mold processing ±0.05mm
Laser Cutting
±0.05mm tolerance (T409 SS )
Tube Bending
±0.1° precision (ID bender)
Press Forming
15s/part cycle (progressive dies)
Automated Coating
Pt-Pd-Rh nano-layer (±0.1g/ft³)
Carrier Encapsulation
650°C Fiber Mat Seal
Spinning Process
95% wall uniformity
Robotic Welding
99.8% X-ray validated integrity
Laser Marking
0.2mm deep traceability code
Tooling Test
Backpressure & vibration validation
Product Packaging
3-layer anti-static bubble film (20mm bubbles)
Mechanized Packaging
moisture-proof vacuum film + corner cover
Palletized Shipping
ISO 6780 pallet strapping + corner protector
Clients in Three-Way Catalytic Converter Business
As we have been committed to providing catalytic converters and exhaust system solutions to customers all over the world for many years, we have established a good reputation among our customers and maintain an ongoing cooperative relationship with them.
What can we help you find?
For the common questions you want to know
Converts 3 pollutants simultaneously: CO→CO₂, HC→H₂O/CO₂, NOx→N₂ at λ≈1. Our patented coating widens reaction window, achieving >95% efficiency in real driving.
5-year warranty (ceramic core/coating). 24/7 tech support + 48hr onsite service in 35 countries. Includes free recycling of end-of-life units.
Every 5,000–8,000 km. Act immediately if: power loss >10%, black smoke, or P0420 code. Extends life to ≥100,000 km.
Yes. AI prototyping (3-5 days) handles extreme temps (≤1,100°C), biofuel blends (E85), and hybrid exhaust layouts. +15% cost.
Mild: Clean every 5,000 km. Severe: Replace + fix root causes (O₂ sensors/oil leaks). ⚠️ Use Low-SAPS oil – zinc/phosphorus accelerates clogging.
Triple verification: Robotic weld inspection (99.98% pass), nano-coating thickness laser scan (±0.01μm), dyno testing per ISO 3929.
Standard models: 72hrs from Asia/NA warehouses. Custom units: ≤20 days (AI design + robotic production). 60% faster than industry.
No hidden fees. All-in pricing includes: CARB/EPA certification, gaskets, and 1-year remote monitoring service.
Triple-layer tech: Ultra-pure ceramics (α≤0.5×10⁻⁶/K), nano Pt/Pd/Rh coating (resists 1,050°C), AI-validated for 150,000+ km (30% longer lifespan).
Yes! Zinc/phosphorus forms deposits (triggers P0420) and risks meltdown >1,100°C. Use ACEA C-class/API SP-certified “Catalyst-Safe” oils.
Catalytic Converters News & Resources
Learn about catalytic converters and exhaust systems, and the latest trends through our news.
The Essential Guide to Three-WayCatalytic Converters
Explore our complete guide to Three-Way Catalytic Converters: learn about it’s components, chemical reactions, and critical role in modern vehicles.
Three-way catalytic converter- how does it work?
A three-way catalytic converter reduces harmful emissions from internal combustion engines in modern vehicles, improving air quality and environmental safety.
Why Catalytic Converters Are Being Stolen & How U Can Prevent It
Learn why catalytic converters are targeted by thieves and discover the most effective ways U can protect your vehicle from converter theft.
The Crucial Role of Oxygen Sensors in Catalytic Converter Performance
Learn how the oxygen sensor protects your catalytic converter. It optimizes the air-fuel ratio to boost fuel economy, cut emissions, and prevent costly failures.
Why Catalytic Converters Are Being Stolen & How U Can Prevent It
Learn why catalytic converters are targeted by thieves and discover the most effective ways U can protect your vehicle from converter theft.
The Crucial Role of Oxygen Sensors in Catalytic Converter Performance
Learn how the oxygen sensor protects your catalytic converter. It optimizes the air-fuel ratio to boost fuel economy, cut emissions, and prevent costly failures.