I'm Here to Rent Construction Machinery, and You Give Me a Mecha?

"All-powerful mechanical equipment for rent: mechas for building buildings, drones for laying ceramic tiles, Mechagodzilla's atomic breath blasting, one day for tunnel construction, two days for dam construction, Nantianmen installation of street lights, earth core mining for magma..." A small shop suddenly appeared and was ridiculed wildly because of its eccentric advertising slogans that became popular all over the Internet. Until Chen Zui took his mechanical Roaring Dog to participate in the World Engineering Machinery Competition, which shocked the whole world. The next day, the commander-in-chief of China's armaments came to visit in person. "Boss Chen, give us two of your Roaring Sky Dogs? What? Giant Spirit God Mecha? Baxia Water Conservancy Mechanical Turtle? So many good products? Come with two, two of each!" United States: "You are maliciously provoking a world arms race! I... I condemn you!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.