Cheng Men was the Pioneer of qianjiang painting on porcelain and was active during the Xiangfang to Guangxu period. Extant pieces included a teapot with landscape drawing  dated 1855.  It was drawn by him and his second son Cheng Rong.  He is an all round artist, great in all aspects of chinese painting, ie. landscape, human figures and birds/flower. So far no work of his dated after 1889 has been found.   Recent findings also indicated that he had work for the imperial kiln.