Different levels of appeal, space use, inorder attractiveness, timetable and construction budget necessary for construction of basic unit that would comprise and contextualize the cultivable space which is to be expanded ( or might be expended in the future). At TianJin DaCheng we believe that quality is the most important characteristic of an expandable house, which means these features must be unique to the environments where they are employed. By enhancing our core competencies, we stand to differentiate ourselves in the market.