EMTEK· Chemical testing is a third-party technical service organization engaged in testing and certification of Safety, EMC, Toy Physical & Chemical, etc. Entrusted by the company, the exhibition hall of letter testing is a public exhibition hall integrating testing and display, where the public can fully understand the third-party testing technology, discuss technology, and exchange and learn. In the design of the exhibition hall, we try to create a space with the concept of "home". Brand test exhibits are displayed in four different "homes", and a "well-arranged, house-like" exhibition space is implanted in the originally open and empty office building. Through simple architectural language, we create a rich sequence of Spaces in which different clients can roam, think and learn. Space is a symbol of solidification. Just as design endow space with greater imagination through diverse exploration, it also has its ups and downs. In order to guide visitors inside, we introduced a series of linear walls that fold and extend along the site space, separating the separate areas facing in and out.