What is the relationship between Jinhai Holdings and Jinhai Heavy Industry?

Jinhai Holdings is the parent company of Jinhai Heavy Industry. Jinhai Holdings currently has 13 holding companies, namely Jinhai Heavy Industry, Jinhai Shipbuilding, SINOMACH Shipbuilding, SINOMACH Japanese Diesel Engine, SINOMACH, Zhoushan Haihong Port, Xinzhou Real Estate, New Jiangnan Real Estate, Jinhai Commercial Co., Ltd., Changfeng Ship, Quanzhou Ship and HNA Lu Shen New Energy.