I have a new job and I'd like to introducing myself via E-mail

I have a new jobs at international trading officer, and I'll writing introduce myself to supplier. I have written an E-mail.already. pls suggest to me.

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Dear All,
The main aim of writing this email is to introduce myself as the new officer. I have recently joined the department and I'll try the best for this position. and if you have a suggestion, you can tell me all the time

happy for work with you

Best regards,
xxxxx