In depth: How ethylene glycol led to the Yongcheng Coal default

Unprofitable investments a decade ago ultimately dragged mining companies down

China Coal Mine Reuters 20201217

Chinese workers shovel coal onto a truck at a mine in Huating, Gansu Province. © Reuters

YU NING and DENISE JIA, Caixin

The surprise default that threw China's corporate bond market into turmoil last month can be traced to massive, unprofitable investments a decade ago in ethylene glycol, a toxic but useful industrial chemical that Chinese factories consume in vast quantities.

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