PO 's attempts to curb emissions from energy plants in China province are putting small and medium-sized oil and chemical businesses under pressure as refineries struggle to comply with new standards. Published: 2:38pm, 13 Sep, 2017 Updated: 2:55pm, 20 Jul, 2018 While random environmental inspections formerly scrutinised large state-owned facilities, the authorities' targeting of smaller companies has caused 13 independent refineries to shut since mid-July . Additionally, a number of chemical plants making propylene oxide (PO), PVC and rubber tyres in the region have stopped production, according to industry sources and market analysts. The amount of lost production is not known; however, China 's imports of PO have risen 40% since mid-July .
PO 's attempts to curb emissions from energy plants in China province are putting small and medium-sized oil and chemical businesses under pressure as refineries struggle to comply with new standards. While random environmental inspections formerly scrutinised large state-owned facilities, the authorities' targeting of smaller companies has caused 13 independent refineries to shut since mid-July . Additionally, a number of chemical plants making propylene oxide (PO), PVC and rubber tyres in the region have stopped production, according to industry sources and market analysts. The amount of lost production is not known; however, China 's imports of PO have risen 40% since mid-July .