Something like this will do the job:
https://www.wallcann.com.au/1500w-step-down-transformer/#productInfoTab1
Note that these things are big, heavy, and expensive. Also note that you need something that will handle 800/900 W for extended periods. A 1000 W transformer might (just) be sufficient, but would struggle during the initial heating period, possibly getting too hot and turning itself off.