The coating machine is a three-roller transfer coating equipment, which can be used continuous coating and intermittent coating, and it is convenient to apply for surface coating for various substrates. Especially used in the lithium ion battery industry, the equipment is designed in accordance with the convenience of the researchers and meets the requirements of coating precision and consistency. It has excellent drying effect. It is the ideal choice for lithium ion battery, super capacitor, nickel battery and other two battery research and development and small test.