Shang Hai Premium Chinese Calligraphy / Drawing Ink Stick: Huang Shan
Shang Hai factories have produced high quality ink known for years. This ink is one of them, type Song Yan (pine soot). Year 1990, excellent.  Advance users might also want to check Tang Mo (ASIN: B00GEUCC1K). Beginners might want to check  cheaper regular  ink stick, Shu Dao (ASIN: B00HBMUBNQ).   Other examples: "Bai Shou Tu" is an oil soot (black number 102 ASIN: B00IXKNS9O) and  Tie Zhai Weng (Black number 101 ASIN B00GIHADHE) is an oil soot.   Additional info: Oil soot has glossiness, pine soot doesn't. One usually uses oil soot to draw and pine soot to write.