National Copyright Administration of the People's Republic

Computer Software Copyright Registration Certificate

Certificate No: Soft idling number 2898585

Software Name: Cutter Suction Dredger Slope Precision Excavation Auxiliary Control System Software

[referred to as: Slope Precision Excavation Auxiliary Software]

 V1.0

Copyright holder: Tianjin Ocean Telecom Technology Co., Ltd.

Development Completion Date: January 25, 2018

First Published Date: January 25, 2018

The way to Obtain Rights: original acquisition

Scope of Rights: full rights

Registration Number: 2018SR569490

According to the "Regulations on the Protection of Computer Software" and the "Regulations on the Registration of Computer Software Copyrights", the above matters shall be registered by the China Copyright Protection Center.

NO. 02825044

National Copyright Administration of the People's Republic

Computer software copyright registration special chapter

July 20, 2018