1. Combination of traditional method and machine production. Advantages: low investment; Disadvantages: low extraction rate, large waste, high pollution and poor quality of starch produced. Prices range from tens of thousands to hundreds of thousands.
2. Standardized production line. Advantages: high return on investment, less pollution, less labor, and higher quality starch; Disadvantages: the labor cost is high in recent years; The price ranges from1500,000 to 5 million.
3. Automated production line: advantages: less labor; Disadvantages: large energy consumption, unstable starch quality and high investment cost. The price in ................... ranges from 4 million to 30 million.