Shenlong Stationery CO. , LTD. : company has two sets of color and electrophoresis production lines and two staplepin production lines.
神龙文具有限公司：公司拥有两套彩色，电泳长尾夹生产线和两条订书针生产线。
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By analyzing the features of the staplepin attacher in process flow, a control scheme using the PLC on the process of the binding of books was presented.