Chengdu Panda Base to Sanxingdui Museum sightseeing bus

Hi, I tried to search on Wechat Lvqilin Jingqu Zhitongche but could not find any sightseeing bus from Chengdu Panda Base to Sanxingdui Museum. There is only transport from Kuanzhai Xiangzi City Terminal to Sanxingdui. Thanks.