As part of TPOS-2020 observing system, China deployed 21 profiling floats in the tropical western Pacific ocean during December 2020-January 2021. The deployment cruise was implemented by CSIO, MNR, and conducted by the RV "XIANG YANG HONG 06". During the cruise 3 TAO buoys and 2 moorings were also deployed near  the equator which is a start that China makes contribution to the international TPOS-2020 program. 
      All these floats are core floats (PROVOR) manufactured by NKE, with their cycle time being set to 7 days. Mr. Zhaoqin Li from the China Argo Real-time Data Center has been in charge of the float deployments.