Weight sorting machine, also known as multi-stage weight sorting machine, weighing sorting machine, weight grading machine, fruit sorting machine, etc. Mainly used in various automated assembly lines and industries such as aquaculture and food. Used to sort products into multiple grades based on their weight, it can directly replace manual weighing to improve productivity, accuracy, reduce labor, and lower costs. It can detect products with different weights in continuous operation and automatically classify them according to the set weight level, and can automatically count and store data for the products.