... .Semi-auto Glue Dispensing Machine 3.convenient 1. High Precision Semi-auto Glue Dispensing Machine is using pedal switch ... adjusted flexibly for the manual, semi-automatic. We have use high-precision digital controller to control dripping time accurately even millisecond . so ... to control different viscous liquid to prevent the leakage.4. high efficiency,easy fatigue, no waste, wide using , we have ...