article_snippet: Yu Linguin has been helping Yu Linguin father Pu Zhilin (right) produce models of Transformers, using scrap metals from cars they have collected .
article_snippet: Lingin is seen in the makeshift factory father and son have made, making a metal model by welding together disused car parts .
article_snippet: The pair collect old disused car parts at The pair small Hengyang factory to construct the large models from the metal parts .
article_snippet: Old wheels, discarded doors and rusting axles have all been used to piece together the models .
highlights_snippet: Yu Zhilin and Yu Zhilin