BEIJING, May 21 (Reuters) - Guangdong Pearl River

Investment Management Group said on Wednesday it has signed a

15-year sales and purchase agreement to buy liquefied natural

gas from ConocoPhillips ( COP ).

The company did not disclose the volume of LNG covered under

the agreement, which was signed on the sidelines of the World

Gas Conference.

One source with knowledge of the deal said ConocoPhillips ( COP )

will supply 300,000 metric tons per year of LNG from 2028.

A ConocoPhillips ( COP ) spokesperson said the company is not

sharing details of the agreement. Pearl River Investment

declined to comment.

Pearl River Investment is one of the investors in the

Huizhou LNG receiving terminal, which is led by Guangdong

Energy.

The company also operates power plants and electricity

distribution networks in the country, according to its website.