Traveling Through the Northern Song Dynasty, I Will Save Song Renzong First

[Alternate History] + [Technology] + [Golden Finger System] Qin Jinchuan, who has just graduated from college and is unemployed. Suddenly traveled to the Northern Song Dynasty when the four great inventions first appeared. Then he opened his eyes and realized that he was about to be burned on the fire? In desperation, he could only start making medicine to save the emperor. I originally wanted to find a way home calmly. Follow the guidance of the system and gradually develop modern technology. Unexpectedly, one wave of ups and downs would arise again and again. The whole country is in danger and the enemy troops are pressing down on the border Then dominate the world and dominate the world.