BeyonCa, a Chinese premium electric vehicle (EV) start-up, plans to unveil its first production model as early as the end of October as it edges closer to pioneering car manufacturing in Hong Kong.The luxury car – known as the Grand Tourer and designed for high-speed, long-distance travel – will be assembled at the Tai Po advanced manufacturing site of Hong Kong Science and Technology Parks (HKSTP), according to people familiar with the matter. The car targets customers in Europe and the Middle...