多臂开口装置与各种喷水织机、喷气织机、剑杆织机等配套，特别适用于十二循环以上的织物组织，如各种人造纤维及棉、毛、麻等天然纤维为原料的小花纹提花织物。其特点是开口量大、循环纬数多、品种更换快捷。

       Dobby shedding device is applicable to all kinds of water-jet looms, air-jet looms, rapier looms and others and especially suitable for weaving fabric weaves with cyclic weft count of over 12, such as small pattern jacquard fabrics with material of man-made fibers as well as natural fibers like cotton, wool, hemp and so on. It has the advantages of large shedding amount, more weft picks as well as quick and convenient program changeover. 

 

        NPGD50多臂开口全套引进日本YAMADA技术，并通过创新获得自主知识产权，广泛适用于喷水织机配套，特点是循环纬数多，结构简单、操作简单、性价比高。市场占有率60%以上.
      NPGD50 Mechanical Doddy is designed based on introduced full set Japanese YAMADA technologies and earns independent intellectual property right through our innovation. It’s widely applied to water-jet looms. With advantages of more weft picks, simple structure, easy operation and high cost-effectiveness，the device has occupied over 60% of market share.