Foshan Rifeng is produced by the manufacturer of Rifeng Pipe Industry Headquarters, and it is the only manufacturer of Rifeng Pipe Industry, while Shanghai Rifeng is "Shanghai Rifeng Industrial Co., Ltd.", and there is no relationship between them. Consumers should pay attention to distinguish when buying in case they buy fakes. Look at the trademark: Rifeng's trademark is Rifeng, while Shanghai Rifeng's trademark is Shifeng. You can look at the trademark. Foshan Rifeng's trademark is Rifeng, while Shanghai Rifeng's trademark is Shifeng.