are aiming at safety construction through
responsible construction works.
Water supply and drainage construction business
:Works for installing instruments for water
supply and drainage, industrial water supply
and works for laying pipes for water supply
or work for processing facility like sewage.
of construction works
:Works for installing instruments for pumping-in
water, purification of water, supply and
distribution of water, works for sewage-processing
machinery and tools, works for laying pipes
for water supply and drainage