A worker makes the Xuan ink brush at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker makes the Xuan ink brush at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
Workers make the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker dries the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker makes the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker makes the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker makes the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker sticks the trademarks on the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
worker makes the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker dries the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker prepares to dry the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker makes the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker makes the Xuan ink brushes at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)
A worker applies glue as making the Xuan ink brush at a workshop in Huangcun Town of Jingxian County, east China's Anhui Province, Dec. 14, 2018. Huangcun Town has a long history of the Xuan ink brush making. The ink brush, ink, Chinese Xuan paper and ink slabs are four traditional writing materials of Chinese stationery. (Xinhua/Liu Junxi)