Subway Solution


We solve the problem of air-tight underground space and especially

fine dust in subway history.
Field Solution


We create clean spaces in parks, school roads, playgrounds, and walkways.

It even applied a semi-permanent patented new technology that does not

require replacing filters.
Bus stop Solution


The bus stop prevents the inflow of road dust and provides protection

against fine dust pollution.

Smart City Solution

We systematically collect big data from cities related to fine dust and implements

data-based fine dust measures. It is a smart city service that provides citizens with

reliable information on fine dust and reduces exposure.
DAP Solution
S-Series (Subway Solution)
F-Series (Field Solution)
B-Series ( Bus Solution)
Smart City Solution