1.We can make glass tubes with Boro 3.3 glass and neutral glass and can make all lab glassware. 3.We had pasted Factory ... based in china, such as- beaker series, boiling flask series,glass tubes,bottles series ,measurements, desiccator series, funnel series, burette series ... and cones,standard ground mouth series ,microscope slide and cover glass and etc,Our goods are well reputed for best quality ...