Plane Trading: I Landed After Handing in the System

[System + No CP + Powerful Country + Plane Trading + Female Protagonist Semi-Tool] After packing up and escaping from 996, Yun Jin originally just wanted to stay at the B&B left by her grandmother for her retirement, but was accidentally bound to the inter-dimensional trading system. Others have to make a fortune secretly and secretly, but Yun Jin turns it over to the country. The big boss leads the team, and a team of geological, biological, and historical experts serve as backup. The small B&B is transformed into a national-level transaction anchor. Ordinary food is exchanged for thousand-year-old medicinal materials, hybrid rice is exchanged for meteorite iron... Yun Jin leads the national team across the diverse world, turning the mountain B&B into an interstellar trade hub that shakes up the global landscape! When the technology of the main world took off and everyone began to cultivate immortality, Yun Jin smiled slightly: "Report to the country, next stop, let's go to the war era!"