According to the query of Baidu Love Purchasing, Shuangfeng Expander and Shengdi Expander have their own characteristics and advantages, and it is impossible to simply judge which one is better. Here are some concrete comparisons between them:

1. Function: The main function of Shuangfeng puffing machine is to make all kinds of puffed food, while Shengdi puffing machine can make rice, corn, whole grains and other foods. Therefore, if you need to make a variety of puffed food, Shuangfeng puffing machine may be more suitable.

2. Output: The output of Shuangfeng expander is relatively high, while that of Shengdi expander is relatively low. If mass production is needed, Shuangfeng expander may be more suitable.

3. Operation: The operation of Shuangfeng extruder is relatively simple, while the operation of Shengdi extruder is relatively complicated. Shuangfeng bulking machine may be more suitable if the operation requirements are higher or it is easier to get started.

4. Price: The price of Shuangfeng expander is relatively low, while the price of Shengdi expander is relatively high. If the budget is limited, Shuangfeng expander may be more suitable.