Saltpeter in this world is mainly used as a medicinal material, so the yield is not high

However, at present, the demand for saltpeter for making gunpowder in Tiantai City is still very large

Under the current circumstances, Jiang Lan can only find a way to produce it himself

It's just that at present, there is only one production method that Jiang Lan can think of

"Let's go, find a few people to follow me to the hut"

......

Chapter 103 of "The First Horse of Great Qin" Developing Thermal Weapons is in the middle of a hand-hit, please wait for a while,

Once the content is updated, please refresh the page again to get the latest updates!