Tsai recently passed away, and his son and successor Tsai Yao-ching says that his father became a "disciple" to the Hong line mainly to get materials, and see what is different there from Taiwan.
蔡炳圳最近剛過世，接掌父親事業的兒子蔡耀慶表示，其實回大陸拜長房為師，也只是想拿一點資料，看看與台灣的有無不同。