东达牌CDZ钻杆吊卡适用于提升18度锥台肩钻杆，钻具等。吊卡按API Spec8A/8C《钻井和采油提升设备规范》设计、制造。 CDZ Drill-pipe Elevator suitable for lifting the taper drill pipe,drill tool and so on ,Designing and manufacture according to the AP
