DOWA Thermotech Co., Ltd. Japan batch furnace, carburizing furnace, continuous furnace, heat treatment, industrial furnaces, nitriding, quenching, and regenerative burner
Kanto Yakin Kogyo Co., Ltd. Japan annealing furnace, brazing furnaces, carbonizing furnace, continuous furnace, industrial ovens, mesh belt furnace, oxynon, and sintering furnace
