There are many roast duck restaurants on Qianmen Street in Beijing. Some of the stores with good reputations include:

1. Quanjude: Quanjude is one of the famous roast duck brands in Beijing, and the Qianmen Street store is one of them. The main store, the taste and quality are very guaranteed.

2. Yawang Roast Duck Restaurant: Yawang Roast Duck Restaurant is another famous roast duck restaurant in Beijing. The Qianmen Street store is one of its branches. The roast duck is rich in flavor and the meat is fresh and tender.

3. Dadong Roast Duck Restaurant: Dadong Roast Duck Restaurant is a high-end restaurant specializing in roast duck. The Qianmen Street store is one of its branches. The roast duck is delicate and delicious.

4. Beijing Hotel: Beijing Hotel is a hotel with a long history, and the Qianmen Street store is one of its branches. Roast duck is one of their signature dishes, with good taste and quality.

The above are some of the more popular roast duck restaurants on Qianmen Street. You can choose the store that suits you according to your taste and budget.