Many Taiwanese tourists in South Africa make it a point to go shopping at Chuang's facilities. Chuang will often welcome visiting groups himself and give them a brief but entertaining introduction to the gem business.
很多到南非的台灣觀光客都會前來參觀購買，好客的莊英漢常常親自接待來自台灣的鄉親，給大家上一堂認識寶石課程，非常有趣。