Makala:

Kuchukua spindle kubwa, spindle thread kubwa, kushona, kiwango cha juu 'kutumia njia ya kulisha ya juu na chini ya mchanganyiko, nguvu ya kulisha nguvu na utulivu; Uwezo mkubwa wa shuttle core hufanya mzunguko wa kushona ukuaji, kupunguza kwa kiasi kikubwa idadi ya kubadilisha shuttle core.
Matumizi:
Inatumika kwa ngozi, ngozi ya synthetic, kitambaa, hema, nylon lining, mpira kitambaa na vifaa maalum vifaa nene sana; Inatumika kushona hema ya meli ya meli, kitchenette, sofa ya samani, umbrella ya jua, magari ya lori na bidhaa nyingine kubwa maalum za unene sana.
Characteristics：
The special extra large vertical axis hook and bobbin capacity reduces the number of bobbin changes and offer high efficiency in sewing products; The top & bottom feeding sysem ensures go through machine,withting shifting of the fabric layer.
Uses：ldea for sewing canvas,vingyl,leather,synthetics,and various coated,laminated and rubberized fabric,such as sails,cushion,furniture,sofa,shade saile,truck covers etc.