Free Travel in the Post-Apocalyptic Reality, I Exchange Spicy Strips for Gold Bricks

Yang Chen accidentally obtained a ring that can travel back and forth between reality and the future wasteland world. In the future wasteland world, food is scarce and expensive. A piece of cabbage can be exchanged for many high-tech products. Technology has developed super technologies such as [Intelligence Brain Chip] and [Gene Enhancement Potion]. But some rare metals, such as gold, are regarded as useless garbage. Yang Chen is an ordinary college student. His father accidentally fell from a building and fell into a coma. The family almost collapsed. Let's see how he relies on his talents step by step to make the whole family one of the best in the entire province. How to make two countries in parallel time and space become the strongest on earth by exchanging materials between the two worlds!