Chu Kong Passenger Transport Co., Ltd. (CKPT; traditional Chinese: 珠江客運; simplified Chinese: 珠江客运) is a subsidiary of Chu Kong Shipping Enterprises (CKS) and operates ferry services between Hong Kong and cities in Guangdong province, China, as well as Macau.
It is headquartered in the Chu Kong Shipping Tower (珠江船務大廈) in Central, Hong Kong.
CKS has been assigned the two-letter airline code 3A by IATA, used for routes to/from Hong Kong International Airport only, where passengers must continue to other destinations (or vice versa) by air.