dictionary what knowledge do people need 2 chengdu gas model giant trading co., ltd. was established in 2000. the company has a professional inflatable model design team and its own gas model production factory. the company operates various celebration gas model and product modeling gas model, water amusement equipment, air-mode tents, sports competitive air-modes, advertising tents and other products. for more products, please visit the website and welcome to negotiate related businesses. 30 people