Yianju Integrated House Hebei Co., Ltd. was established on December 14, 2016, with its registered address in Zhuolu County Industrial Park, Zhangjiakou City, Hebei Province, and a registered capital of 10 million yuan. The company focuses on the field of integrated houses, and its main business covers the research and development, manufacturing and sales of packaged container houses, expanded container houses, modular mobile houses and other products, which are widely used in temporary offices, accommodation and resorts. As of 2023, the company has 8 trademarks and 2 patents, of which the utility model patent for "split main load-bearing components of modular container houses" was authorized in 2020.