hydraulic ironworker features multiple functions, including: round hole, square hole, elliptical hole punching; steel plate, flat bar, angle steel, C-channel, H-beam punching; angle steel shearing, notching and bending; flat, round, square bar, C-channel, I-beam, T-bar shearing/cutting; angle bending and pipe notching.

Wind driven ventilator is widely used in home and factory. It is to make use of the air free convection that natural wind power and the interior outside temperature difference bring about, the effect driving a turbine to rotate making use of centrifugal force and negative pressure thereby discharge the interior stale hot-air. It makes the fresh air flow in, thus the purpose of cleaning air can be reached.

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