The new river waterworks plant is registered on the south side of the seine river county harmonious road (southern guan village) and is registered as the new river county market supervisory authority, represented by the legal person han heung-fing, and operates in the areas of shut-off, lock-up, door-opening, valves, rollers, barbers, decontamination machines, transmitters, hydraulic kits, steel dams, rubber dams, pedal dams, gas shield dams, slabs, environmental protection equipment, rubber water stopper belts, automated control system kits, sewage treatment kits for the manufacture, sale, installation. (projects subject to legal approval may not operate without the approval of the relevant department)