708 Institute of Civil Aviation Department -Maric
Shanghai Ship Design and Research Institute
Shanghai Ship Design and Research Institute-Ship Research Institute
Jiahao design company
Large shipyards for detailed outfitting and production design;
Hudong Zhonghua; Shanghai Shipyard; Waigaoqiao; Jiangnan Shipyard; Barber; Zhenhua port machinery; Japan Changshi Shipyard; Design department of jinling shipyard.
I hope it helps you!