Interstellar Trading: I Can Exchange Everything, Shocking the World

Li Fei, who traveled to a parallel world, was accidentally bound to an interstellar exchange. In the exchange, you can exchange items with civilizations across the galaxy. Is there such a good thing? He traded his seven-piece gardening kit for a soil purifier. After changing hands, a patent was also applied for. Black-hearted enterprise:? ? ? Netizen: God's eyes are open, our pollution problem is finally solved! Expert: Where did the genius come from? Biotechnology is his starting point! Agricultural companies: Woohoo, no need to pay high prices and beg people to import! A problem that had been incurable for hundreds of years was easily solved by Li Fei! Old Professor: Li Fei, there is another matter that you may need to solve. Save soil problems, improve water pollution, rescue endangered animals, and resurrect extinct species. As long as the country needs it, I can change it! Don't ask how you got everything done, just ask that you have an IQ of 150 and you have learned well in nine years of compulsory education! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.