There are many time-honored brands of Shanghai bacon, among which Xinghualou, Uncle Yang, Jinhua Ham, Pai, Yushufang, Tengxiangge, Jingyuan, King of Legs, Shulaji/Shulaji and Sister Wu are well-known. These brands of bacon have their own characteristics, but which brand of bacon is better to choose needs to be considered in combination with personal taste, brand value, word-of-mouth evaluation and other indicators. Specific suggestions are as follows:

1. Xinghualou: Xinghualou is a famous Cantonese cuisine master in Shencheng. Its bacon is made of the finest pork leg, combined with a century-old process and an exclusive secret recipe. This is the authentic Shanghai flavor. As an old catering brand, Xinghualou has always been deeply loved by Shanghainese.

2. Other brands: Uncle Yang, Jinhua Ham, Brand, Yushufang, Tengxiangge, Jingyuan, Leg King, Shulaji/Shulaji, Sister Wu, etc. They also have their own characteristics, but we can't be sure which brand of bacon is better. We need to choose according to our personal tastes and needs.

Generally speaking, different people have different preferences for the taste and quality of bacon. If you want to taste authentic Shanghai bacon, you can consider buying it in Xinghualou or other brand stores or supermarkets, and choose according to your personal taste.