Tianjin QM Optics is a leading manufacturer of precision drawn glass tubes and rods. In past years, we have successfully developed primary and secondary drawing production processes based on different glass capillaries requirements.Our engineered micro glass tubing manufactured to the highest tolerances. Our skilled glass workers combine with our experienced engineers to translate detailed specifications into precision bore glass and quartz tubing that become part of high-tech aerospace systems, state-of-the-art analytical measurement equipment, bio-medical instruments, optical devices, and sophisticated electronic components and sub-assemblies.