Is China's independent research and development, Asia's largest platform for deep-sea oil and gas, natural gas processing platform, the platform of buoyancy weight reached 32 thousand tons, from offshore oil engineering (Qingdao) Co. Ltd., which lasted 21 months to build. It is a super large offshore steel structure with world-class construction difficulty, which has set a new record for offshore oil engineering construction in china. There are three main decks on the Liwan 3-1 natural gas comprehensive treatment platform, all of which are steel structure buildings. The main deck of the upper deck is 107 meters long and 77 meters wide, which is larger than a standard football field. The main deck is 41 meters away from the ground, which is equivalent to the height of the 18 storey building.
