Beijing Chengdong House Manufacturing Co., Ltd (Beijing Xinyi Dismountable House Co., ltd) is a professional company producing pre-installed houses (dismountable mobile houses).

• 北京诚栋房屋制造有限公司（北京新艺活动房屋有限公司）是生产预制装配式房屋（拆装式活动房屋）的专业公司。