Yiulian Dockyards Limited (hereinafter referred to as "YL") can be traced back to the first ship repairs factory in China, namely Tongmao Iron Factory, established by China Merchants during the Westernization Movement in 1874. Yiulian Dockyards Limited was established in 1964 and was initially named Yiu Lian Machinery Repairing Works Limited. July 27, 1984, in order to highlight the company's main business of ship repair, it was renamed as Yiulian Dockyards Limited.

After nearly sixty years of development, YL now has two major shipyards in Hong Kong's Tsing Yi Island and Yam O, with a total length of about 912 meters of repair docks, ranking among the top shipyards in the Far East region. Since its establishment, YL has always adhered to the principle of "Dedicated Service, Credibility First", providing customers with maintenance services such as annual repairs, lay-up repairs, special inspections, voyage repairs, modifications, and emergency repairs for various types of ocean-going, coastal, and inland river vessels with superb technology and reliable quality. While focusing on ship repair as its main business, YL actively engages in various businesses such as offshore platform repair, specialized vessel repair, dock facility repair, harbor tug services, and nearshore engineering. It has evolved from a single ship repair enterprise to a strong diversified comprehensive enterprise and has become a core enterprise of the China Merchants Industrial Group.

In the early days of its development, YL aims at "Serving the motherland's ocean-going fleet" and carried out business on the basis of "Low Price, Good Quality, Fast Speed and Considerate Service". During the business development period, YL has always adhered to the policy of "Spending less money to do big things and running factories with diligence and thrift", carrying forward the fine tradition of self-reliance and hard work, using its own funds for rolling development, breaking the monopoly of foreign shipbuilding companies on the dock repair market, Successfully created the brand of "Yiulian Ship Repairing". On the basis of ensuring the maintenance tasks of the national ocean shipping fleet, YL actively develops marine engineering equipment maintenance services, and at the same time enters the tugboat service field. The business develops in a diversified direction, and has become the largest ship repair company in Hong Kong with the strongest ship repair capabilities. The ship repair company with the largest number of ships.

The ship repair business has been the "Old Business" that YL has adhered to since the establishment of the factory. Soon after its establishment, it repaired hundreds of ocean-going ships for the country every year, safeguarding the country's shipping industry and alleviating the embarrassment of being restricted by others. Premier Zhou Enlai praised " Yiulian small factory accomplishes big things.” Since its establishment, YL has accumulated rich repair experience and is the largest ship repair company in Hong Kong. In addition to providing various repair services for all types of general ships, YL also has extensive experience in special ship repairs, including: ocean exploration ships, offshore platform service ships, cable ships, dredgers, firefighting ships, and liquefied gas ships , tugs, container barges and offshore restaurants, etc. Ship repair capabilities cover multiple processes such as hull repair, engine repair, electrical repair, and vehicle blade repair.