Use the saved money to join the Cardmaker's Association instead!"Lu Cheng looked at the 【Sulfur Ore (16 kg)】 and 【Saltpeter Ore (8 kg)】 in his hands......"It's not...Lieutenant, I must have these two...Fan-style drive!This is a complete generational change!On the day of its completion at Taiming Base, Qingqiu Harbor, the prototype engine, "Xiasheng Engine," Chen An, a reporter for Cai Feng Shi, imm...