There are several manufacturers of permanent bicycles.

There are many manufacturers, one of which is Shanghai Bicycle Factory, which is now called Shanghai Permanent Co., Ltd. ..

Permanent bicycle is one of the earliest bicycle brands in China, with a history of more than 80 years, belonging to a relatively high-grade bicycle brand.

Bicycles, also known as bicycles or bicycles, are usually small land vehicles with two wheels. After people get on the bus, they are green and environmentally friendly vehicles powered by pedaling.