... 2.high quality,competitive price Butyl Coating Machine Coating Extruder Machine 1. Contact InformationAlice Meng+86-13953166178bohman_alice-----yahoo ... hydro-cylinder,extrude piston,sealant cylinder,glue head block,dispensing head etc.4. Hydraulic control systemThis system ... aluminium spacer between insulating glass. This machine is semi-automatic machine which means workers hold aluminium spacer by ...