Also known in Chinese tradition: chinese lacquerware complete guide Chinese lacquerware is one of the oldest continuous art forms in human civilization, a craft born from the sap of the lacquer tree (Toxicodendron vernicifluum) that has adorned the homes, temples, and tombs of China for over seven millennia. Unlike painted finishes that merely sit on a surface, true lacquer creates a chemical transformation: when the raw sap is exposed to humidity-controlled air, it polymerizes into a hard, glass-like coating that is resistant to water, acid, heat, and even time itself. The result is not merely decorative but functional—a protective skin that can preserve wooden objects for thousands of years, as