Business scope: Rivet Welding,
Diving Equipment,
Engineering Project Management,
Home Installation,
Technical Testing,
Diving Equipment For Underwater Operations,
Ship Equipment,
Construction Labor Subcontracting,
River Dredging,
Underwater Engineering,
Wetsuit,
Building Demolition,
Water Conservancy And Port Engineering,
Wholesale,
Technical Consulting,
Import And Export Of Goods And Technology,
Business Management Consulting,