People point of view, after the deepening of the stone industry, the entire industry will be divided into a lot of vertical areas, for example, specialized in white stone processing, specializing in the panel, specializing in the series of gray and so on. The deeper and deeper the differentiation becomes, the more serious the companies nowadays are, like the old tradition, doing everything. The perception to the customers is that this company can do anything. The subconscious knows that this company can do anything. Do not do well. Nowadays, for the customers, they need experts, not generalists.