Lung Yat Hong app for iPhone and iPad 4.2 ( 4112 ratings ) Shopping Developer: FreeU Free Current version: 1.0.8, last update: 3 months ago First release : 02 Aug 2022 App size: 34.63 Mb 客戶購買、預約五金產品，查看訂單，積分，積分兌換，客服等功能