State Pipeline Network Group said China’s first island-ring natural gas network, the Hainan ring, has delivered more than 35 billion cubic meters of gas, supporting Hainan free trade port development and the island’s clean-energy The 899 km network c

2026-09-23

State Pipeline Network Group said China’s first island-ring natural gas network, the Hainan ring, has delivered more than 35 billion cubic meters of gas, supporting Hainan free trade port development and the island’s clean-energy The 899 km network consists of four trunk lines, traverses 14 cities. and counties and serves over 10 million people, supplying gas-fired power plants, industrial users and urban gas customers.