... rotary hook HSH-7.94B Dia.: 7.93 mm Sewing machine rotary hookHSH-7.94BDia.: 7.94 mmSUIT FOR: CHINA:GC15-1 ... ,28-3,6-1,28,40-1 JUKI:DDL-127,227,541,542,543, ... B753,B736 SINGER:281-81,83,366,391U We are hook and bobbin case factory which can supply different level ... coating and so on ,our capacity is 3 million pcs hook/year and 5 million pcs bobbin case/year /we ...