62g Oil Smoke Lan Yan Chinese Hukaiwen Inkstick Old Huimo Ink Stick Charming China Ink Stick Old Oil Smoke: Lan Yan 62g Anhui Province Hu kai wen ink shop opened in 1782 which has produced and sold ink for more than 200 years. It is the most famous ink shop in China, and in 1915, Hu Kai wen ink won the gold medal in the Panama.