China Petroleum Pipeline Engineering Co., Ltd. (CPP) is a subsidiary of the China National Petroleum Corporation and the primary builder of pipelines in China. The company has built much of the cross-country pipeline infrastructure in China and had several large-scale projects abroad.CPP Provides Integrated Solutions.CPP works all over China and other 47 countries in 6 regions including Middle East, Africa, Central Asia, Southeast Asia, Oceania, and South America.