Vehicle-Specific Exhaust Aftertreatment
Built for Aftermarket Supply, OEM Programs and Custom Projects
Universal, direct-fit and custom catalytic converter solutions for importers, distributors and automotive aftermarket brands.
15,000 m²
Manufacturing Facility
OEM & ODM
Custom Development
Global Supply
B2B Export Programs
Product Solutions
Choose the Right Converter Solution for Your Market
Three supply options for different sales models, vehicle coverage plans and custom manufacturing needs.
Flexible Fit
Universal Catalytic Converters
Standardized converter bodies for broad aftermarket coverage and efficient wholesale inventory.
- Round, oval and custom body shapes
- Multiple inlet and outlet sizes
- Ceramic or metal substrate options
Vehicle Specific
Direct-Fit Catalytic Converters
Model-specific assemblies designed around OE fitment, mounting points and exhaust routing.
- OE number or sample development
- Flanges, brackets and sensor ports
- Consistent repeat-order fitment
Built to Specification
OEM & Custom Manufacturing
Complete converter development for buyers with their own dimensions, drawings or market requirements.
- Custom shell and cone design
- Application-specific coating options
- Private label and packaging support
Product Range
Converter Configurations for Different Applications
Body shape, pipe direction, mounting structure and internal substrate can be developed around your target vehicle or market.
Round Universal Converter
Compact body with multiple pipe diameter options
Oval Converter
Low-profile body for limited installation space
Flanged Converter
Vehicle-specific flange and pipe layouts
Manifold Converter
Integrated exhaust manifold configurations
Metal Substrate Converter
High-strength core for demanding applications
Custom Welded Assembly
Built from drawings, samples or specifications
Customization
One Manufacturing Partner for the Complete Converter
We support product development from substrate selection and coating to shell design, welding and final assembly.
15,000 m²
Factory Area
OEM / ODM
Project Support
Ceramic & Metal
Substrate Options
TWC / DOC / SCR
Coating Solutions
01
Substrate Selection
Ceramic, metal and SiC substrate options for different emission-control applications.
02
Cell Density & Size
CPSI, diameter, length and body shape matched to your specification.
03
Shell & Pipe Design
Custom shell dimensions, cones, pipe direction, flanges and brackets.
04
Catalyst Coating
Coating solutions developed according to fuel type and application requirements.
05
Sensor Port Layout
Oxygen sensor positions and thread specifications can be customized.
06
Branding & Packaging
Private label marking, packaging design and export carton support.
Manufacturing & Quality
Quality Controlled Through Every Production Stage
Material selection, coating, welding, dimensional inspection and final checks are managed within one production workflow.
Integrated Production Capability
From internal core and shell processing to complete converter assembly, each stage is connected under a consistent quality system.
Coating Process
Controlled coating application for consistent catalyst distribution.
Shell Forming & Welding
Stable fixtures and controlled welding for repeat-order consistency.
Final Inspection
Dimensions, welds, appearance and assembly are checked before shipment.
Related Products
More Emission-Control Products From YIFENG
Substrate Products
Ceramic, metal and SiC substrate solutions for converters, DPF and industrial applications.
Catalyst Coating Service
Coating support for gasoline, diesel and custom emission-control projects.
FAQ
Frequently Asked Questions
What information should I provide for a quotation?
For universal converters, provide body dimensions, inlet and outlet size, substrate and coating requirements. For direct-fit products, provide the OE number, vehicle information, drawing or sample.
Can you develop converters from samples or drawings?
Yes. Custom and direct-fit products can be developed from physical samples, technical drawings, OE references or a complete specification.
Do you support private label orders?
Yes. Product marking, packaging, labels and export cartons can be prepared for distributor and aftermarket brand programs.
Can I order different converter types together?
Yes. Universal, direct-fit and custom converter products can be combined according to your purchasing plan.
What is the production lead time?
Lead time depends on product type, quantity, coating requirements and whether new tooling or fixtures are needed. A confirmed schedule is provided with the quotation.
CUSTOM EMISSION SOLUTIONS
Need a Custom Emission Control Solution?
Send us your specifications, drawings or target vehicle list. Our engineers will review your requirements and recommend a suitable production solution.
✅OEM & ODM
✅Sample Development
✅Drawing-Based Production