Shenwan held the 2021 trade and investment fair on the afternoon of March 28, and 8 key projects were signed on site, totaling 2.51 billion yuan in investment. After completion, the annual increased output value of these projects is expected to exceed 1.56 billion yuan. The "CNOOC Green Transport Project" and "Maritime Education and Training Base of Guangzhou Maritime Institute Project" were also among key projects of Zhongshan's annual trade and investment fair.  

It is reported that 500 million yuan will be invested in the CNOOC's green transport project to build a multi-functional LNG (Liquified Natural Gas) industry base in Shenwan Town, which includes an LNG carrier filling station and 3 comprehensive energy stations. After being put into operation, its annual output value will reach 360 million yuan, with an annual tax revenue reaching 72 million yuan.