Jincaidi brand.
1. The shrimp paste in the Jincaidi brand is made from shrimps caught on the same day, and no chemicals are added to the materials used.
2. The materials used in the shrimp paste in the Jincaidi brand are all manufactured by the Jincaidi brand. The materials are also natural and pollution-free, and have an excellent taste. So Jincaidi brand shrimp paste is authentic.