C680 military detonator

The next day, Long Tianyu received Privy Council's imperial study room's report. The explosives used in the imperial military factory had already been mixed, the latest gunpowder weapons "Explosion" and "Detonator" had also been successfully manufactured, and were waiting for the Duke of Han to personally inspect them.

After Long Tianyu saw this, he was overjoyed. He immediately left the palace