China is on track to import record-high volumes of ethane from the United States this month as Chinese and other Asian petrochemicals producers rush to secure replacement feedstock amid plunging naphtha and liquefied petroleum gas (LPG) supply from the Middle East. China is expected to import as many as 800,000 tons of U.S. ethane in April, which would be a record high for any month and about 60% higher compared than the usual monthly imports of the feedstock from the United States, per estimates from Chinese consultancy JLC cited by Bloomberg.…