06
Iron and steel; nonferrous metals and their alloys; metal
materials for building or construction; metal pulleys,
springs and valves (not including machine elements); metal
junctions for pipes; metal flanges; metal hardware;
industrial packaging containers of metal
07
Metalworking machines and tools; chemical processing
machines and apparatus; food or beverage processing machines
and apparatus; semiconductor manufacturing machines and
systems; non-electric prime movers (not for land vehicles);
machine elements (not for land vehicles); actuators for
valves; plastic processing machines and apparatus
11
Water treatment equipment; water purifying apparatus;
wastewater treatment equipment; air-conditioning apparatus
(for industrial purposes); tap water faucets; level
controlling valves for tanks; pipe line cocks; waste water
treatment tanks (for industrial purposes); septic tanks (for
industrial purposes); solar water heaters; washers for water
taps; waste water treatment tanks for household purposes;
septic tanks for household purposes
37
Repair or maintenance of drainage facilities for factories
and the consultancy; general building construction works for
water treatment installations and facilities; construction;
repair or maintenance of treating machines and apparatus for
water and sewerage and the consultancy; check, repair or
maintenance of water and sewerage treating facilities, water
and sewage pipes and drainage tank and the consultancy;
repair and maintenance of water purification apparatus and
their accessories and the consultancy; repair or maintenance
of water treatment facilities for food, industrial and
agricultural purposes and the consultancy; installation of
water treatment equipment; repair or maintenance of
air-conditioning apparatus (for industrial purposes); repair
or maintenance of burners; repair or maintenance of boilers;
repair or maintenance of pumps; repair or maintenance of
freezing machines and apparatus; repair or maintenance of
water pollution control equipment; repair or maintenance of
chemical plants; repair or maintenance of nuclear power
plants; repair or maintenance of fire alarms; repair or
maintenance of electronic machines and apparatus; repair or
maintenance of telecommunication machines and apparatus;
repair or maintenance of household tap-water filters and the
consultancy
42
Designing of water treatment equipment; designing of water
treatment installations; designing of water treatment
facilities; designing of river purification facilities;
designing of groundwater purification facilities; designing
of lake water purification facilities; designing of sea
water purification facilities; examination of water;
analysis and survey of water; survey, analysis and
suggestion for improvement of other environment; engineering
of water treatment and river purification; examination or
research of drinking water, water and sewerage, groundwater,
drainage water and city water; analysis of drinking water,
water and sewerage, groundwater, drainage water and city
water; research and surveys on greening and improvement of
water quality of ocean, harbor and river; consulting on
examination of water quality; providing information of water
quality; examination of water quality under the water supply
act; consulting on designing of water and sewerage and water
treatment tanks; designing of sea water desalination
facilities; research, technical guidance or consultancy on
water or soil purification; designing of machines,
apparatus, instruments (including their parts) or systems
composed of such machines, apparatus and instruments;
computer software design, computer programming, or
maintenance of computer software; research on building
construction or city planning; testing or research on
prevention of pollution; testing or research on electricity;
testing or research on civil engineering; testing,
inspection or research on agriculture, livestock breeding or
fisheries; testing or research on machines, apparatus and
instruments; designing
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