Teflon Needle
▪ Teflon is a kind of material with chemical resistance feature.
▪ Teflon tube plugged in metal needle could dispense on the area where metal cannot touch with. 
Teflon Needle
▪ Teflon is a kind of material with chemical resistance feature.
▪ Teflon tube plugged in metal needle could dispense on the area where metal cannot touch with. 
▪ Teflon is a kind of material with chemical resistance feature.
▪ Teflon tube plugged in metal needle could dispense on the area where metal cannot touch with.