http://pastport.jp/user/ztcontainerhouse ja-JP Our company, Hebei Zhongtai Steel Structure Technology Co., Ltd. specialized in the Designing and Manufacturing of Integrated housing / Modular houses in China.https://www.ztcontainerhouse.com/ 2022-12-19T10:54:28+0900 http://pastport.jp/user/ztcontainerhouse/timeline/ztcontainerhouse ztcontainerhouse http://pastport.jp/user/ztcontainerhouse/timeline/ztcontainerhouse