Shen Yan (the owner of a modern automation equipment factory in his previous life, died suddenly at the age of 45. He was born in Henglingzhai, a fictional town on the border of Hedong in the fourth year of Chongning in the Northern Song Dynasty in 1105. He was the son of a blacksmith. He had no system or special abilities and relied only on modern industry/machinery/metallurgy/management/strategic knowledge to survive and counterattack)