SEMS Screw

Zonfa’s SEMS screw is outfitted with one to three washers, so various requirements from a wide array of customers are satisfied. Professional production equipment is introduced for higher screw making efficiency. This equipment is widely applied in low-voltage electrical appliances, electronics, communications and the electric power field.

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custom screws machine screws manufacturer fastener manufacturer
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Kunshan Zhongfa Science Technology Hardware Co., Ltd.