[Technological Power] [Time Travel] [Great Power and Heavy Industry] [Face-Slapping Article] [Money Maniac] [Old Six] The military industrial chief returned to 1981 and became a thorny apprentice in a farm machinery factory that was on the verge of bankruptcy. Faced with the West's strict technological blockade and the difficulties faced by foreign compradors, Wen Chongshan's mind flashed green and the [hand-rubbed fitter] was activated! Rubbing bearings with bare hands, magically modifying tractors, and selling scrap parts as "special farm tools" at same-day prices overseas! "Old factory director, this is really not a rocket launcher, it's a high-pressure fire extinguisher and pest control tube!" "Your Majesty, you can pay in U. S. Dollars now, and you have to pay extra to install a tracked chassis!" He deceived the wealthy people in the Middle East and raked in millions of foreign exchange, and the military boss came overnight to take the blame for him! From endangered small agricultural machinery factories, to five-axis linkage CNC machine tools, third-generation fighter aircraft aerospace titanium alloy blades, to 0.5 Micron lithography machines... This time, he set up a patent deadlock in advance, leaving all Western giants begging to pay tolls! Foreigner: "How come the agricultural machinery factories we promised are all important to the country?!"