Speaking at an economic forum, the Russian leader sought to pivot towards allies in Asia, the Middle East and Africa as his country faces a barrage of Western sanctions.
Factories, restaurants, taxi drivers and other service providers warn that they will have to down tools unless fuel supplies increase and prices fall.
The leak in Dawei in Myanmar’s south is not believed to have been caused by anti-regime resistance groups.
The energy conglomerate announced the move days after its Thai and Malaysian partners said they were pulling out of the Yetagun offshore gas field.
The letter to President Xi Jinping from 558 organizations says Chinese projects should cease operations until the junta has been toppled.
Amid rolling blackouts, Myanmar’s people are bracing for planned weeklong power cuts with 24-hour-long outages in some areas.
The French and US oil giants will withdraw from the Yadana gas field in the Andaman Sea, in a move that will deprive the junta of a key source of revenue.