Home Link It combines infrared meanwhile, laser positioning, water-cooling and air-cooling to meet long-term continuous work requirement. It combines infrared meanwhile, laser positioning, water-cooling and air-cooling to meet long-term continuous work requirement. Pvc Pipe July 12, 2019 Share: Facebook Twitter Pinterest It combines infrared meanwhile, laser positioning, water-cooling and air-cooling to meet long-term continuous work requirement. ... Click to read more https://youtu.be/QFMcDRVLUdI