100 beam. 10 Jin means 100 Liang, and twelve Liang equals one Jin, because decimal system is widely used in modern society. There are 10-20 shrimps per catty, and one pot can hold 200 shrimps, so there is 10 catty. Shrimp is an arthropod living in water, belonging to arthropod crustaceans. There are many kinds, including Antarctic red shrimp, green shrimp, river shrimp, grass shrimp, prawn, prawn and lobster.