How to choose electric gourds and hand stretching gourds? Electric gourds are divided into 380 volt power and 220 volt power, which is suitable for the rise and decline of heavy objects in the workshop. Hand -pouring is manually operated and simple to use. Electric gourds are saving strength and their running speed is relatively fast. There must be a power supply to operate. Hand -streaming is not affected by the power supply. It is suitable for the inconvenience of outdoor power supply or no power supply. The price of hand pour gourds is relatively low, and you can also choose to pour the gourd according to the budget. Hand pouring gourd is also suitable for family use. Small size and light. You can choose whether to pull gourds or electric gourds according to the actual usage and budget.