pure copper ashtray from the intangible cultural heritage master Zhu Bingren. It is presented in three dimensions based on the "Five Oxen Picture" by the Tang Dynasty painter Han Huang. It uses all-copper material to create a realistic and vivid five-ox desk, which means that the five oxen accumulate blessings and the five fortunes will come to the door. It is an art-level smoking gift, especially suitable for men who smoke.