Around that time, refrigerated cargo ships appeared on the scene, and at the suggestion of one of his store managers Chew Chong tried an experiment: he had some butter sent to Britain on one of these ships, and then brought back to New Zealand.
張朝在他商店經理的建議下，嘗試一次新的實驗﹘ ﹘用這種船把奶油託運到英國，再運回紐西蘭﹘﹘開封時，奶油果然十分完美。