JYX YX-4 auto Inter & external Washing Machine is designed for the bottles which has put for a long time. the bacterial mucosal growth or and the dust or he oil accumulate inside the bottles. The machine washing by the rotating brush and the water spray, with easy operation, security , practical and excellent washing effect. The machine is approved to be essential equipment in the recycling of bottles prewashing for the 5 gallon bottle by many water plants. Single working station is adopted in the device, put the bottle in it and turn the switch to “On” for brushing and pumping, shut the top door at the same time, the brushing electromotor and water pump working, then, auto-washing. The washing time is adjusted by the time relay. The machine will stop working when the top door is opened throughout the washing process.