摘要
China National Petroleum Corporation announced that its controllingsubsidiary PetroChina Dagang Petrochemical Company inauguratedproduction of a 100 000 t/a polypropylene (PP) unit in its Tianjinsite on October 14th. This is the first chemical unit in this refinery.The design has been completed by CNPC’s designing companyChina Huanqiu Contracting & Engineering Corporation. This unit,
