China Oil & Gas Pipeline Network Corp, China's largest energy infrastructure owner also known as PipeChina, said on Wednesday the Zhangjiakou branch of the fourth Shaanxi-Beijing gas pipeline was put into operation on Oct 22 to ensure gas supply to the 2022 Winter Olympic Games in Beijing.

The project started construction in August and is one of the pipelines sending gas to Olympic venues and stadiums. The operation will also supply sufficient gas to the capital during the heating season this year, the company said.

The Zhangjiakou branch of the fourth Shaanxi-Beijing gas pipeline consists of six lines with a total length of 160 kilometers. It is designed to transmit 3.2 billion cubic meters of natural gas each year.

According to PipeChina, the company's annual pipeline transmission capacity has reached 268 billion cubic meters so far. It plans to supply more than 110 billion cubic meters of natural gas during the heating season this year.