All-sea Group started its journey in 1978 from Canada. The company provides efficient and safe sub-sea solutions for the offshore oil and gas industry worldwide. In 2009, the company entered the Chinese market and became the official contractor of CNNOC. The company operates across 10 service locations and has 300 divers and engineers. All-Sea has invested heavily in the market of China in order to develop an exclusive network with a feet of vessels and human resource base.