Straw balers not only strive for excellence in research and development and production in the field of technology, but also achieve the concept of customer-oriented hospitality in service, taking customer needs as the goal, thus gaining a good market reputation. In winter, it is impossible that there is no problem with hydraulic oil. It is no longer the case. When we encounter extremely cold times, we also need to keep the hydraulic oil warm and antifreeze. Although hydraulic oil cannot freeze like water, the viscosity will drop after the temperature rises, and the transmission pressure cannot be very good.