Dear ,
I would like to inform you that I am resigning from my position as 职位, effective 日期.
Thank you for all the support and opportunities you have provided me over the years. I have truly enjoyed my time working at 公司名 and am grateful for the encouragement you have given me to pursue my personal and professional goals. I will do everything I can to complete my current projects and train other team members to take over my duties. Please let me know if there is anything else I can do to help during this transition period.
I wish the company continued success for the future and hope to stay in touch.
Sincerely,
Jack