『杜溪』這個品牌，在威廉藝術初試啼聲至今，已經三個多年頭。看他筆下的人物的表情更加多樣貌，主配角的表情各個豐富極了，有自信，有驕縱，有的詼諧逗趣，莊重典雅，有的嬌貴明媚，神氣十足。他賦予他們全新的生命，也不斷的提昇畫面的質感，「把人物畫的如瓷偶一般的光澤攝人」是現在藏家共同認定的特質。

『DuXi』the preliminary brand has been revealed for 3 years from William Art Salon. The expression of characters that has been created by DuXi has become more and more various. The main and supporting characters are full with abundantly expression such as confidence、arrogance、humorous、solemnly elegant、delicately attractive and fully vitality. DuXi generates whole new life into those characters and continually improves the quality of the painting. 「Making a portrait looks like a lustering ceramic doll」， collectors identified this as the major characteristic style of DuXi.