High Precision Glass Tubes
Product Introduction
Precision bore glass tubes are manufactured with ultra-precise inner & outer diameter. Widely used for measuring instruments
and precision equipment requiring strict capillary dimensional accuracy.
We provide complete deep processing services including concentric grinding, ID shrinking and end forming. Our electronic glass
meets the high standards of world-famous enterprises.
Custom sizes, sample orders and mass production are all available. Please send drawings or samples for quotation.

Main Product Range
Optical Communication Glass Tubes
For fiber collimators, fiber arrays and optical coupling parts. Uniform diameter, good coaxiality and low light loss ensure stable
optical signal transmission.
Glass-to-Metal Sealing Glass Tubes
Matching thermal expansion coefficient with metals. Features excellent air tightness and insulation, ideal for sensors, vacuum
feedthroughs and hermetic electronic packaging.
Precision Capillary Glass Tubes
Micron-level precision micro-bore tubing with smooth inner surface, no bubbles or impurities. Perfect for microfluidics, analytical
testing and miniature optical modules.
Available Shapes
Round single-bore tubes, square / rectangular tubes, multi-bore tubes (2-hole, 4-hole, custom multi-channel). Custom special
profiles are supported.

Core Advantages
1. Precise dimensional tolerance control
2. High light transmittance and low optical distortion
3. Excellent resistance to acid, alkali and organic solvents
4. Reliable thermal shock resistance and insulation performance
5. Custom processing: cutting, end polishing, fixed-length cutting
6. Multiple optional materials: borosilicate glass, quartz glass, soda lime glass, lead glass, lead-free glass, sealing glass