Tung oil

Basic Introduction to Hui InkHui Ink is a precious gem in traditional Chinese ink-making skills and one of the renowned "Four Treasures of the Study." The production of Hui Ink can be traced back to the late Tang Dynasty, reaching its zenith through the Song, Yuan, Ming, and Qing dynasties. The techniques for making Hui Ink are complex, such as unique methods for refining tung oil, sesame oil, and raw lacquer, as well as specific procedures for producing smoke, cooling, collecting, and storing. There are also secrets involved in building pine smoke kilns, managing fires, adding pine branches, collecting smoke, selecting glue, boiling glue, mixing ingredients, and more. As of the end of 2016, Huangshan City had nearly 16,000 people engaged in the Hui Ink industry, including 107 provincial-level and above intangible cultural heritage bearers and 13 heritage learning bases. There were nearly 20 Hui Ink manufacturing enterprises and workshops, with 18 patented products based on traditional intellectual property rights. They produced 278 million tons of Hui Ink annually, ranking first in the country, and exported it to over ten countries and regions, including Japan and South Korea.Huangshan City and Xuancheng City are located in the northern subtropical zone and…