Wang Man Lao Li Shrimp Sauce, Haibao Hao Shrimp Sauce, etc. 1. Processing technology: both Wang Man Laoli shrimp sauce and Haibao shrimp sauce adopt traditional processing technology to ensure their unique taste and flavor.

2. Brand history: Wang Man Laoli Shrimp Sauce and Haibaohao Shrimp Sauce have a long history and have a certain popularity and reputation in the local market.

3. Quality assurance: These brands pay attention to product quality, insist on selecting fresh raw materials, and strictly monitor and manage the production process to ensure product quality and safety.

Marketing strategy: These brands have adopted some effective marketing strategies, such as advertising and network promotion, which have improved their brand awareness and market share.