Dongguan, China, now produces half of the world's AI smart glasses, according to a new municipal plan. The city's mature electronics supply chain, skilled workforce, and supportive policies have made it a global hub. Local manufacturers like Qianhuanshiheng exemplify the shift from contract manufacturing to integrated design and production, with AI glasses becoming their fastest-growing segment. This positions Dongguan at the forefront of the wearable tech industry's move from novelty to necessity.