This symbol is the combination of J and K, which are the tow words of JACK and also the abbreviations of Jut and King. J is tight and K is loose, which indicates the flexible management. It still means that JACK will be outstanding and become the top one of Chinese sewing industry. The black J looks like a needle, the red part like the cloth being machining, and the yellow line like the thread specially used by sewing machine. The whole sign just contribute the characteristic of sewing machine industry and the superiority of JACK sewing machine. Yellow means safety, rich, and powerful. Red is ebullient and energetic. Black symbolize sober, solemn and capable. Not only the sign gives us intense vision impact, but JACK culture is safety, ebullient, solemn and active.