The first thing to understand here is what agricultural products are. Generally speaking, agricultural products are products produced by planting and breeding crops. Some are called agricultural and sideline products. By-products usually refer to by-products of agriculture. For example, straw and corncob are agricultural by-products. Such as grain and cash crops; Silkworms, ants, etc. All kinds of agricultural products.

Enterprises that deeply process agricultural products are called agricultural products processing enterprises. Such as grinding wheat into flour, processing feed with corn, processing starch with potatoes and sweet potatoes, and processing drinks with apples, pears and walnuts; Dry grapes and so on.