Lan Yan has no foreign cooperation franchise, while China United has.
The parent company of Lan Yan Jinmei Group is mainly engaged in coal, and the parent company of Zhonglian CNOOC is mainly engaged in oil and gas.
There are few blue flame blocks, but in the name of gas control, a lot of coalbed methane is produced. There are many Zhonglian blocks, with little progress in the early stage and great progress recently.