Sorbonne is a brand water pipe of Shanghai Piersa Pipe Industry Co., Ltd., you can rest assured of this. Because in recent years, the water pipes of Shanghai Piersa Pipe Industry Co., Ltd. are often forged and counterfeited, which leads to all kinds of adulterated "Piersa" water pipes in the market. Even, some companies maliciously applied for patents that should have belonged to Shanghai Piersa Pipe Industry Co., Ltd., resulting in heavy losses for Shanghai Piersa Pipe Industry Co., Ltd. Therefore, Shanghai Piersa Pipe Industry Co., Ltd. learned from a painful experience and turned Sorbonne into a real flagship brand in the future. So you can rest assured.