A pot steaming bamboo steamer has been added as to answer requests of many customers. The price is relatively low compared to that of copper as it utilizes aluminum. It is produced at Nakamura Douki, a brand making pots and frying pans over four generations at the downtown of Tokyo. A very convenient bamboo pot steamer that can be used to thaw frozen rice and to cook dishes such as Chinese dumplings, steamed vegetables, and wappa rice.
https://www.shokunin.com/en/nakamuradouki/seiro.html