[ Awards ]

Certificate of Appreciation from the Mayor of Incheon

[ Awards ]

Certificate of Appreciation from the Minister of Trade, Industry, and Energy

[ Awards ]

Certificate of Appreciation from the Incheon Chapter of the Korean Journalist Association to a Member of the National Assembly

[ Patent ]

Taiwan trademark registration certificate

[ Patent ]

8 cases including industrial filters

[ Patent ]

Particulate air filter for internal combustion engine exhaust system

[ Certificate ]

World First-class Commodity Certificate

[ Certificate ]

Incheon Metropolitan City Quality Product Designation

[ Certificate ]

small and medium-sized business confirmation

[ Certificate ]

Maintenance Certificate (Air,Gas Duct)

[ Certificate ]

Maintenance Certificate (Bag Filter)

[ Certificate ]

Maintenance Certificate (Cartridge Filter)

[ Certificate ]

Maintenance Certificate (Damper)

[ Certificate ]

Maintenance Certificate (Diaphragm Valve)

[ Patent ]

a Vietnamese patent - Filter for dust collector and the way how to make this filter bag

[ Patent ]

Philippine Trademark Registration Certificate - HELPP BAG