Certification of Company 
                    
                        
                            
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                                    Labor Dispatch Business License
                                
 
                            
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                                    Qualification of Steel Structure Class-3
                                
 
                            
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                                    Offshore Equipment Maintenance Qualification Certificate
                                
 
                            
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                                    Business License
                                
 
                            
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                                    Occupational health and safety management system certificate
                                
 
                            
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                                    Environment management system certification
                                
 
                            
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                                    Safety Production License
                                
 
                            
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                                    Explosion proof Electrical Installation and Maintenance Qualification Certificate
                                
 
                            
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                                    Quality mManagement System Certification
                                
 
                            
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                                    Offshore Oil Engineering Co., Ltd. - Contractor QHSE Qualification Certificate
                                
 
                            
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                                    CNOOC (China) Co., Ltd. Zhanjiang Branch-Contractor Health, Safety and Environmental Protection
                                
 
                            
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                                    CNOOC (China) Co., Ltd. Hainan Branch - Contractor Health, Safety and Environmental Protection
                                
 
                            
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                                    BRADEN Winch Authorized Sales Agent and Maintenance Service Center
                                
 
                            
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                                    Special Equipment Installation, Renovation, and Maintenance License (Pressure Pipeline GC2)
                                
 
                            
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                                    Utility model patent certificate: Double pin fan form water lubricated thrust sliding bearing
                                
 
                            
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                                    Utility model patent certificate: An airtight testing fixture and airtight tube detection device