Attendance: Joao Guimaraes da Costa, Yong Liu, Manqi Ruan, Dan Yu, Gang Li, Huirong Qi
Connect remotely: Haoyu Shi, Jianbei Liu, Jinfei Wu, Quan Ji, Qun Ouyang, Shanzhen Chen, Weidong Li, Wenxing Fang, Xuai Zhuang, Hao Zeng, Linghui Wu, Fangyi Guo
==Plan for whirte paper for snowmass==
Deadline: before Mar. 15th 2022
Drift chamber: converge a report (white paper) related to LOI before Mar. 15th. We should have a plan for report preparation.
Key4hep: Weidong plans to have a white paper special for CEPC, but will discuss with software people firstly.
PFA Calo: Jianbei will discuss with CALO people and organize the preparation.
Crystal calo: Yong will check with other LOI authors for the plan.
Vertex: Zhijun and Ouyang
MDI:
TPC: Huirong will contact with Zhi Deng.