Beast Control: I Raise Dinosaurs in the Heavens

Li Rengui, a dinosaur researcher who is about to die, encounters a five-clawed old golden dragon claiming to be from the Hongmeng plane at the beginning. He obtains a mountain and sea beast control system, and is taken to a "lower plane" world of mechanical science, martial arts, and immortal cultivators, and transforms into Qin Lin. See how he survives in this world, and finally controls millions of dinosaurs and resists all worlds...