Ludwig Mies van der Rohe, one of the greatest architects of the 20th century, was asked to describe the reason for his success in one sentence, and he only said five words: “The devil is in the details.” . When Jueyi FONE fair-faced concrete products are polished, they always adhere to this rigorous concept. Just like this ashtray, every gap, every radian, and every line is carefully studied and pondered with obsessive-compulsive mental cleanliness.