Long Jiang Pork Feet Rice is a very popular traditional Chinese dish that usually uses soy sauce as the main seasoning. When choosing which soy sauce to use, you can consider the following two aspects:

1. List of ingredients: Zhongxiang Soy Sauce and Hong Kong Peak Soy Sauce are both commonly used to flavor Long Jiang Pork Feet Rice, and they are used in slightly different ways on the list of ingredients. Zhongxiang Soy Sauce is mainly used to provide a savory flavor to the pork feet rice while adding some green onion flavor to make the rice more delicious. Hong Kong Peak Soy Sauce, on the other hand, provides a richer texture that mellows out the flavor of the pork feet rice.

2. Preparation steps: The steps for using Chung Hsiang Soy Sauce and Kong Fung Soy Sauce are different when making Long Jiang Pork Feet Rice. Generally speaking, when using Zhongxiang Soy Sauce, you can add it when cooking the pig's feet so that the flavor of the soy sauce can be fully integrated into the pig's feet. While when using Hong Kong Peak Soy Sauce, you can pour some on top of the pig's feet after the cooking is done as a final seasoning.

Overall, you can make delicious Long Jiang Pig Feet Rice by using either Zhongxiang Soy Sauce or Hong Kong Peak Soy Sauce, and you can decide which one to choose according to your personal taste and preference.