Try to contact the bank or ask on a bank forum - if it exists and ask there. Luckily my mobile app let me change the app language before login and I could generate bank statement in English.
I as a Polish citizen owning one person company in Poland (JDG) was asked to:
Other request documents: Please upload Letter of Confirmation (in English) stating that the applicant is permitted to work remotely and outlining the scope of duties during stay in Thailand. ** Document must be signed by an authorized person and bear the official company seal. **