Special Container Cargo We pride ourselves in transportation of overweight, over-sized cargo that requires special container service by ocean: open top containers, flat rack containers, high cube containers, side open/curtain side containers. Dangerous Cargo Materials and things are defined as hazardous cargo due to their nature, characteristics, or their state. Hazardous cargo could endanger the public safety, life and health of human beings as well as animals and the environment. Our DG specialist will work with customers to ensure the shipments proceed in accordance with the regulations of the air and ocean carrier.