He points out, however, that the yarn used in making socks is an elastic fiber, not suitable for production in colder areas. Until now they haven't ventured out of Taiwan because of lingering doubts about quality control.
他指出，紗是有彈性的纖維，不適合在寒冷地區生產；但捷盈至今沒有外移，主要是對大陸的品質控管沒信心。