Hudong-Zhonghua is controlled by China State Shipbuilding Corp, one of the two largest shipbuilding conglomerates in the country.
Two of the ships will be operated by MOL and East China LNG Shipping Investment, while the other two will be operated by MOL and North China LNG Shipping Investment, it said.
North China LNG Shipping and East China LNG Shipping are joint ventures established by China Shipping Group with China National Petroleum Corp (CNPC) and Sinopec Group respectively.