Bus. According to Baidu map, you can take bus No.2, No.3 and No.4 in Longquanyi District/KLOC-0 in Chengdu, and then take the Longquanyi tourist line to Single Crystal. Monocrystal is located in Monocrystal Town, Pengzhou City, Sichuan Province, 50 kilometers northwest of Chengdu, with an altitude of 1 147 meters. There are many cultural relics and historic sites in China, which are known as "Danyue Daizong", "Ancient Tang Monument" and "Single Crystal First".