Chinese open-source gaming engine company Cocos has completed a Series B, 36Kr revealed on Monday. CCB Trust, GGV Capital, and Sound Net were among those joining the round to invest a total of $50 million. Cocos’ engine is one of three cross-platform gaming engines along with Unreal and Unity, which are widely used in gaming and 3D movie making. According to 36Kr, the company also has a cooperation agreement with Huawei to optimize the engine for the telecommunication giant’s Harmony OS and Hisilicon chips. Cocos has said the funding raised will be used to develop the core technology of its engine. [36Kr, in Chinese]