China makes breakthrough in large-caliber parallel gas pipeline construction

China has successfully constructed three super-large caliber natural gas pipeline with minimum spacing for the first time.

This represents a technological breakthrough in natural gas pipeline construction, according to Petro China.

The Zhongwei No.2 Station of West-to-East Gas Transmission Line 3, located in Zhongwei City, Ningxia Hui Autonomous Region, is near the ecologically fragile Tengger Desert.