The fiber opening and mixing system serves as the core front-end pretreatment equipment for nonwoven production lines. It consists of an electronic weighing bale opener, pre-opener, fine opener, cabin blender and other units. It mainly performs fiber opening and uniform blending, converting blocky and bundled fibers into loose individual fibers. It supplies qualified raw materials for subsequent web forming and bonding processes. Compatible with a wide range of nonwoven production scenarios, it is a vital pretreatment system to guarantee product quality.