Sausage vermicelli is a traditional food in Guangdong area, and there are some restaurants or snack stores in Beijing that serve it. The following are some of the best places to eat rice noodle in Beijing that may satisfy you:

1. Cantonese Snack Shops: There are many Cantonese snack stores in Beijing, and some of them will serve rice noodle. For example, "Guangdong Snack Shop" in Xidan and "Jixiangrui Guangdong Snack Shop" in Wangfujing.

2. Fai Kee Bowel Meat: Fai Kee Bowel Meat, located in Shuangjing, is a snack bar specializing in bowel meats, and its business is booming. The flavor of the noodle here is authentic, delicate texture, worth a try.

3. Nanluoguxiang: Nanluoguxiang is a famous snack street in Beijing, and there are a lot of snack stores here that serve rice noodle. For example, "Old Beijing Fried Noodles" and "Beijing Snacks" are located in Nanluoguxiang.

4. Lido Hotel: Lido Hotel is a five-star hotel located in Chaoyang District. The restaurant here serves exquisite intestinal noodles with delicate texture and fresh flavor.

To summarize, there are many places serving intestinal noodle in Beijing, you can choose a restaurant or snack bar that suits your taste and budget.