To buy live slit shells from fishermen, he borrowed NT $ 1 million from the local fishermen's association, and every time a fisherman catches one and notifies Chang by radio, Chang reimburses him for turning back to port and not working.
為了向漁民購買活的龍宮貝，他向漁會貸了一百萬元，每當漁民捕撈到龍宮貝，以無線電通知他時，他就會賠償漁民損失，請他們放棄當天工作，立刻返航，以求龍宮貝順利存活。