SIN HAI ENGINEERING METAL WORKS

This sub-class includes manufacture, repair and/or maintenance of: - internal combustion piston engines excluding those used for motor vehicles, marine, aircraft and/or cycle propulsion - pistons, piston rings, carburettors and/or such for all internal combustion engines, diesel engines, etc. excluding those used for motor vehicles, marine, aircraft and/or cycle propulsion - inlet and/or exhaust valves of internal combustion engines - turbines and/or parts thereof (e.g., steam turbines and/or other vapour turbines, hydraulic turbines, waterwheels and/or regulators thereof, wind turbines, gas turbines except turbojets or turbo propellers for aircraft propulsion) - boiler-turbine sets - turbine-generator sets - internal combustion piston railway engines - engines for industrial application