OEM Product Specialized company for intake & exhaust System
ECOGOLD is a brand of automotive aftermarket parts of
Daeji Metal that pursues eco-friendly products.
ECOGOLD guarantees customer satisfaction with excellent quality and affordable price.
Daeji Metal aims at producing a leading brand in the
automotive aftermarket through a full range of products and services.
ACDelco is a global leader in aftermarket parts
and services with a history of 100 years.
ACDelco products are certified by GM,
carrying reasonable prices and highest quality.
Daeji Metal supplies ACDelco mufflers and sells them
in Korea through its subsidiary, Daeji Co., Ltd.
Product Search Specialized company for intake & exhaust System

Aftertreatment device

Exhaust Gas Aftertreatment System In addition, we developed SCR (Selective Catalytic Reduction) for NOx Reduction to meet EURO IV/V environmental regulation, and CEM (Catalytic Exhaust Muffler) for CNG bus.
To satisfy Euro VI environmental regulation, Daeji has developed SCR Muffler and CEM (Catalytic Exhaust Muffler) for CNG vehicles.

DOC (Diesel Oxidation Catalyst)

DOC (Diesel Oxidation Catalyst) : 디젤산화촉매
  • Decrease black smoke from Diesel exhaust gas.
  • Weight reduction of product, production design with low noise level
  • Optimization of flow uniformity

DPF (Diesel Paticulate Filter)

DPF (Diesel Paticulate Filter) : 디젤매연여과장치
  • PM reduction of Diesel exhaust gas
  • Technology for the optimum back pressure

SCR (Selective Catalytic Reduction)

SCR (Selective Catalytic Reduction) : 선택적 환원촉매장치
  • NOx reduction technology for Diesel engine
  • Optimization Technology of NH3 Mixing

LNT (Lean NOx Trap)

LNT (Lean NOx Trap) : 질소산화물 흡장촉매 장치
  • NOx reduction technology
  • DOC (Tier 4 Final)

    DOC (Tier 4 Final)

    Item Loader , Excavator, etc
    Type 1,800 ~ 2,400cc
    Customer Doosan Infracore
    Close
  • L5Q UFC

    DOC (Tier 4 Final)

    Item Folklift
    Type 2,400cc
    Customer Doosan Infracore
    Close
  • Catalytic Converter

    DOC (Tier 4 Final)

    Item Loader , Forklift, etc
    Type 3,400cc
    Customer Doosan Infracore
    Close
  • Catalytic Converter

    DOC + SCR (Tier 4 Final)

    Item Loader , Tractor, etc
    Type 3,400cc
    Customer Doosan Infracore
    Close
  • Catalytic Converter

    OC + SCR (EURO 6)

    Item CNG BUS
    Type 8,000 ~ 11,000cc
    Customer Doosan infracore/Daewoo Bus
    CLOSE
  • Catalytic Converter

    SCR (EURO 4,5)

    Item Truck
    Type 8,000 ~ 17,000cc
    Customer Doosan infracore/TATA Daewoo
    CLOSE
  • Catalytic Converter

    SCR (EURO 4,5)

    Item Bus
    Type 8,000 ~ 17,000cc
    Customer Doosan infracore/Daewoo Bus
    CLOSE
  • Catalytic Converter

    DPF (Retrofit)

    Item Diesel vehicle
    Type 6,000 ~ 12,000cc
    Customer SK Energy
    CLOSE
  • Catalytic Converter

    Partial (Retrofit)

    Item Diesel vehicle
    Type 3,000 ~ 6,000cc
    Customer SK Energy
    CLOSE
  • Catalytic Converter

    De-NOx Filter (Retrofit)

    Item Bus&Truck
    Type 11,000cc over
    Customer SK Energy
    CLOSE
  • Catalytic Converter

    Catalytic Converter for LPG(Retrofit)

    Item Bus&Truck
    Type 2,500 ~ 2,900cc
    Customer MN Tech/Enginetech
    CLOSE