Huakang Machinery Industrial Co., Ltd

China Manufacturer with main products: Machinery

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1): Four valves 2): Closing & latching speed can be adjusted 3): Has a buffer function after the door opened 65 degree, and this function can be adjusted. 4): Has a delay function between 180 degree & 65 degree, and this function can also be adjusted 5): Closing force can be adjusted 6): Vertical installaiton onto the door or upper doorframe, parallel & sliding rail type installation can be selected 7): Corresponding cover can be selected

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