- ISO9001 Certified Manufacturer
Honeycomb Ceramic Substrates for Global Emission Control
Dezhou Yifeng Environmental Protection Co.,LTD .specialize in ceramic substrate ,metallic substrate and DPF ,DOC and SCR products . And we supply universal catalytic converters ,direct fit catalytic converters and generator system
3 Lines
Gasoline · Diesel · Metal
2,000 m²
Production Facility
OEM Ready
Custom Sizes & Shapes
- ISO 9001:2015 Certified
- IATF 16949 Aligned
- 15–35 Day Lead Time
- Serving 30+ Countries
What We Make
Three core capabilities. One integrated supply chain.
Every product category is backed by in-house R&D and full-process manufacturing — no outsourced steps, no quality gaps.
Catalytic Converters
Normal size and customize size catalytic converters ,direct- fit automotive assembly -gasoline TWC from EURO1 to EURO6 and diesel DOC /DPF/SCR .
TWC / DOC / SCR
100–600 CPSI
15–35d lead
Universal
Custom Assembly
Direct Fit
Substrates & Carriers
Ceramic honeycomb and metal substrates — from 100 to 600 CPSI, custom dimensions and cell geometries for any catalyst formulation.
Cordierite
FeCrAl
100–600 CPSI
Ceramic
Metal
Custom Dims
Catalyst Coating Service
We can customize the proportions and composition of rare metals according to customer requirements, ensuring a perfect coating on the carrier without foaming or clogging.
Pt / Pd / Rh
5–120 g/ft³
5–10d lead
Washcoat
PGM Loading
Toll Coating
Manufacturing Excellence
15,000 m² of integrated production. Zero outsourced processes.
In-house R&D lab
Materials science, catalyst formulation, and emissions testing under one roof.
Full-process production
Extrusion → firing → coating → canning → QC.
All on one campus.
ISO 9001:2015 certified
Annual third-party audits. IATF 16949 aligned across all production lines.
30+ country export network
Serving distributors, OEM suppliers, and industrial users worldwide.
Where Our Products Go
One substrate platform. Every combustion engine type.
Our honeycomb ceramics and catalyst coatings serve every major emission control application — on-road, off-road, and industrial.
Passenger Cars
Gasoline TWC
Trucks & Buses
Diesel DOC / SCR / DPF
Motorcycles
Small-engine TWC
Non-Road Machinery
Stage V / Tier 4
Industrial
Stationary engines
8+
Years Manufacturing
Established 2014. Serving global buyers since 2016.
100%
In-House Production
From raw powder to finished converter — zero outsourced steps.
ISO
9001:2015 Certified
Annual audits. IATF 16949 aligned quality system.
Ready to discuss your emission control requirements?
Our engineering team responds within 24 hours with technical recommendations, specifications, and pricing.