绷缝机Stretch Sewing Machine
適用於針織、化纖等棉料產品繃縫加固作業。三線平繃線跡，油線潤滑，機器運轉輕滑、耐用。根據縫級生產需要，輥上附件可成為雙針滾邊機、單針滾領機、曲牙花邊機等。其中GKl57B、GK257B、GK357B帶有工作燈。
They are suitable for interlocking knitting synthetic fabrics.
Three-thread flat-interlock.
If with spare parts it can be used as collar machine.
Models GKl57B, GK257B and GK357B are fitted with illuminators.
