Qualification certificate of Construction Enterprise
Diving service capability and credit rating certificate (diving Operation Level 2)
Diving safety certificate
Work Safety Permit
Occupational Health and Safety Management System Certification
Environmental Management System Certification
Certificate of Quality Management System
Patent for a robot that repairs pipes
Patent for underwater drilling and pile-burying robot
The shape and modular construction patents of the robot for removing obstacles in municipal sewer
An underwater electric oxygen cutting robot
Patent for reinforced pier
Patent for liquefied sand structure
The invention relates to a patent for a sewage-cleaning underwater robot for a water intake box culvert of a power plant and a flood discharge sluice of a hydropower station
The invention relates to a patent for a device for separating debris from river silt
The invention relates to a patent for a device for removing debris in river mud
The invention relates to a patent for a water plugging structure at the front end of a drainage pipe
The invention relates to a patent for a desilting machine for sewage pipeline
An underwater electric oxygen cutting robot
The utility model relates to a sealing element for rush repair of a leaking pipeline