Zigong Huilongtang Culture&Art Co., Ltd (HLT) is a comprehensive entity company specialized in design and production of simulation models. It located Zigong, Sichuan China, which has high reputation as dinosaur's hometown. Being honesty to clients, ...

Dinosaurs are animals of the clade Dinosauria that appeared during Triassic period, 231.4 million years ago, and were dominant terrestrial vertebrates for 135 years, from beginning theJurassic until end Cretaceous, when Cretaceous?Paleogene extinction ...