1 it contain glue inprocess of dispensing 2 it made of pp and pom 3 it convernient use 30cc  dispensing sylinge barrels(japan style) 

glue plastic needle cylinder can package in all the different liquid,with the cover,cap and the piston.material in PP

glue plastic needle cylindercan package in all the different liquid,with the cover,cap and the piston.material in PP

30cc dispensing sylinge barrels(japan style)