HONG KONG/SHANGHAI, Sept 11 : Chinese artificial intelligence chipmaker Shanghai Enflame Technology opened 188 per cent higher in its Shanghai debut on Friday, after the Tencent-backed company raised 6.12 billion yuan ($912 million) in its initial public offering.The stock opened at 410 yuan versus its offer price of 142.18 yuan, and rose to as much as 475 yuan.Enflame's debut adds to a rush of listings by Chinese companies seeking to supply computing chips for artificial intelligence, as Beijing pushes for home-grown alternatives to U.S. suppliers such as Nvidia.The company is one of a group of Chinese AI chip startups sometimes called the "four little GPU dragons", alongside Moore Threads, MetaX and Biren Technology. ($1 = 6.7061 Chinese yuan)