Automatic Black Cartridge for inflatable lifejacket

Automatic Black Cartridge for inflatable lifejacket
Lifejacket automatic inflation device, re-arming cartridge.

New Develop, China Made similar to UML's cartridge, but even better performance!
Better performance than yellow bobbin;
Military strict test;

Feature:

* New develop item for Military Pilot lifejacket;

* Military standard, even past strict test than standard: ISO12402-7, for example: temperature test - 50C, (ISO12402-7 only -30C) 

* Much Strong pierce force (>400N) than normal yellow bobbin. so fit for all kinds of CO2 cylinder, improve the success rate to pierce
* China made;

* Can be customerized logo, model No.

* with green indication clip on the bottom, to show the status;