A lidar sensor from Hesai.Photographer: Jade Gao/AFP/Getty ImagesHesai Group is seeking to raise HK$3.9 billion ($497 million) in its Hong Kong listing, kicking off the latest batch of US-listed Chinese firms that are debuting their shares in the city.The company, which is the world’s largest maker of lidar sensors for vehicles, is offering 17 million shares for as much as HK$228 each, according to a listing documentBloomberg Terminal. That excludes options to increase the size of the deal if de...