The screw conveyor is a kind of continuous conveying equipment widely used in stone processing, chemical industry, grain and other fields. It is mainly used for conveying powdery, granular and small block materials such as limestone powder, crushed stone and raw materials. With the advantages of simple structure, stable operation, small floor area and low energy consumption, it can realize horizontal, inclined or vertical conveying, and is an essential supporting equipment in the limestone production line.

Lutein extraction is a professional process for extracting lutein from natural raw materials (such as marigold, corn and other plants). Our company has mature lutein extraction technology and supporting equipment, which can realize efficient, energy-saving and environmentally friendly extraction of lutein. The extracted lutein has high purity, good stability and meets industrial application standards, and is widely used in food, medicine, health care products and other fields.