June 3 (Reuters) - Tantech Holdings Ltd TANH.O:
TANTECH HOLDINGS LTD: ON MAY 29, WANGFENG YAN TENDERED HIS RESIGNATION AS CEO
TANTECH HOLDINGS LTD: APPOINTED ZHEYUAN LIU TO SERVE AS CEO
Source text: [ID:n0001477932-25-004382]
Further company coverage: TANH.O
((Reuters.Briefs@thomsonreuters.com;))