PetroChina Company Limited (simplified Chinese: 中国石油天然气股份有限公司; traditional Chinese: 中國石油天然氣股份有限公司; Uyghur: چوڭگو نېفتى‎) is a Chinese oil and gas company and is the listed arm of state-owned China National Petroleum Corporation (CNPC), headquartered in Dongcheng District, Beijing. It is China's second biggest oil producer.Traded in Hong Kong and New York, the mainland enterprise announced its plans to issue stock in Shanghai in November 2007, and subsequently entered the constituent of SSE 50 Index.

CYCJET cooperated with PetroChina sub-company "Baoji Petroleum Steel Pipe Co., Ltd" with turnkey Automatic Pipe Fitting Inkjet Coding & Traceability Solution.