活动 Home 国内活动 47th KANKOKIZAI SETSUBI SOUGOUTEN TOKYO- Piping material and facilities exhibition 国内活动 海外活动 国内活动 感谢您帮忙之中来到47th KANKOKIZAI SETSUBI SOUGOUTEN TOKYO- Piping material and facilities exhibition里的CKD展示厅。 47th KANKOKIZAI SETSUBI SOUGOUTEN TOKYO- Piping material and facilities exhibiti