PetroChina Co. Ltd.—the publicly listed arm of state-owned China National Petroleum Corp.
(CNPC)—has completed a project to retrofit an existing pressure-swing
adsorption (PSA) unit at subsidiary CNPC Guangxi Petrochemical Co.’s 10
million-tonne/year Qinzhou integrated refining complex in China’s
Gaungxi province with proprietary process technology from Honeywell UOP
LLC.

Source: News