As the toilet basin is heavy and bulky, the transportation from the developing countries such as China and so on whose production costs are cheap is out of proportion to the benefit and thus the Japanese market is mostly dominated by home manufacturers and this tendency is expected to continue in the future.
便器は重く嵩張るため、製造コストが安い中国などの発展途上国からの輸送では引き合わず日本市場はほぼ国内メーカーで占められ、将来的にもこの傾向は変わらないとみられている。