1. Usage: suitable for air tight seal welding machine for sound filter, microwave device, transistor, commutate tube, controllable silicon and sensor etc.

2. Making the building air tight means doing things different from traditional techniques.

3. Usage: suitable for air tight seal welding with pressure protection of microwave device, sensor, filter and components that used on spaceflight and guided missile that have high requirement.

4. Let cool completely and store in an air tight container.

5. They water - tight and air tight to protect goods from being damaged by heat, water or dampness.

6. After winning an apparent air tight case on labor issues , Ms. Karman was promoted.

7. This brand of red wine of this brand all has air tight corks.

8. Usage: suitable for quartz crystal, sound filter, microwave device, transistor, commute tube, sensor, photoelectricity , laser device etc. air tight seal welding.