The lower surface in the middle of the running belt. According to the inquiry of Pacific Auto Network, the customer service of Jianyi Treadmill indicated that the refueling position of Jianyi Treadmill is on the lower surface in the middle of the running belt. Use a portable starting belt to extend the oil to the bottom of the running belt and inject the oil into the middle of the running plate. Treadmill is a routine equipment in family and gym, the simplest one in family fitness equipment, and the best choice for family fitness equipment.