The factory is mainly engaged in the research, development, manufacture and production of aluminum and wood air-conditioning tuyere, steel wind valve, pipe muffler, etc. Among them, aluminum alloy air outlet and air inlet are applicable in the installation of central air-conditioner terminal unit; the blind and stormproof louvers are suitable in external wall decoration and ventilation; the fire-resisting valve, regulating valve, check valve, muffler and plenum chamber are applicable in air-conditioning preparation.