China Petroleum Pipeline Engineering Co., Ltd. (CPP) is a subsidiary of the China National Petroleum Corporation (CNPC) and serves as the primary builder of pipelines in China. Established in 1973, CPP specializes in constructing oil and gas storage and transportation infrastructure, delivering integrated solutions across the entire project lifecycle. The company has undertaken numerous large-scale projects both domestically and internationally, including the West-East Gas Pipeline, the TransAsia Gas Pipeline, and the Shaanxi-Beijing Gas Pipeline. Internationally, CPP has been involved in projects such as the Habshan–Fujairah oil pipeline in the United Arab Emirates and the Central Asia–China gas pipeline.