Which branches does PetroChina consist of? Thank you, everyone.

-China Petroleum and Natural Gas Group Corporation-China Petroleum and Natural Gas Co., Ltd. Professional Company Exploration and Production Branch, Refinery and Chemical Branch Sales Branch, Natural Gas and Pipeline Branch Engineering Technology Branch Equipment Manufacturing Branch Oil and Gas Field Enterprise Daqing Oilfield Co., Ltd., Co., Ltd. Liaohe Oilfield Branch Xinjiang Oilfield Branch North China Oilfield Company Dagang Oilfield Company Southwest Oilfield Company Changqing Oilfield Company Jilin Oilfield Company Tarim Oilfield Company Tuha Oilfield Company Qinghai Oilfield Company Yumen Oilfield Company Jidong Oilfield Company Zhejiang Oilfield Company CNPC Exploration and Development Co., Ltd. Daqing Petroleum Administration Liaohe Petroleum Exploration Bureau Xinjiang Petroleum Administration North China Petroleum Administration Dagang Oilfield Group Co., Ltd. Sichuan Petroleum Administration Changqing Petroleum Exploration Bureau Jilin Stone Oil Group Co., Ltd., Tuha Petroleum Exploration and Development Command, Natural Gas Exploration and Development Company, Amu Darya Natural Gas Company, South America Company, Nile Company, Kazakhstan Company, Southern Petroleum Exploration and Development Company, Co., Ltd. Refining and Chemical Enterprise Daqing Petrochemical Company Jilin Petrochemical Company Fushun Petrochemical Company Branch Liaoyang Petrochemical Company Lanzhou Petrochemical Company Urumqi Petrochemical Company Ningxia Dushanzi Petrochemical Complex Daqing Petrochemical Company Dalian Petrochemical Company Jinzhou Petrochemical Company Jinxi Petrochemical Company Harbin Petrochemical Company Guo Qian Petrochemical Company Dagang Petrochemical Company North China Petrochemical Company Hohhot Petrochemical Company Liaohe Petrochemical Company Changqing Petrochemical Company Karamay Petrochemical Company Qingyang Petrochemical Company Ningxia Refining and Chemical Company Guangxi Petrochemical Company, Dalian Western Pacific Petrochemical Company, Sichuan Petrochemical Company, China Petroleum Northeast Refining and Chemical Engineering Company, Co., Ltd. East China Chemical Sales Company North China Chemical Sales Company Northeast Chemical Sales Company Northwest Chemical Sales Company Chemical Sales Southwest Company Chemical Sales South China Company Daqing Petrochemical Complex Jihua Petrochemical Company Liaoyang Petrochemical Fiber Company Lanzhou Petrochemical Company Urumqi Petrochemical Complex Dushanzi Petrochemical Complex Dalian Petrochemical Company Jinzhou Petrochemical Company Jinxi Petrochemical Complex Jilin Fuel Ethanol Co., Ltd. Ltd. Sales Company Northwest Sales Company Northeast Sales Company Southwest Sales Company East China Sales Company North China Sales Company South China Sales Company Central China Sales Company Heilongjiang Sales Company Liaoning Sales Company Shaanxi Sales Company Gansu Sales Company Qinghai Sales Company Chongqing Sales Company Inner Mongolia Sales Company Xinjiang Sales Company Ningxia Sales Company Shandong Sales Company Dalian Shipping Company Lubricant Branch Zhongshi Oil and fuel oil Co., Ltd., pipeline storage and transportation enterprise pipeline branch of Co., Ltd. West-East gas transmission (sales) Branch Western Pipeline Branch PetroChina Beijing Natural Gas Pipeline Co., Ltd. North China Natural Gas Sales Branch Huazhong Natural Gas Sales Company Tangshan LNG Project Manager Department Dalian LNG Project Manager Department Jiangsu LNG Project Manager Department PetroChina Kunlun Natural Gas Utilization Co., Ltd. Western Pipeline Co., Ltd. Central Asia Natural Gas Pipeline Co., Ltd. Engineering Technology Service Enterprise Oriental Geophysical Exploration Co., Ltd. Logging Co., Ltd. Co., Ltd. Ocean Engineering Co., Ltd. Western Drilling Engineering Co., Ltd. Great Wall Drilling Engineering Co., Ltd. Bohai Drilling Engineering Co., Ltd. Qing Chuan Drilling Engineering Co., Ltd. Engineering Construction Enterprise Natural Gas Pipeline Bureau Engineering Construction Company Engineering Design Co., Ltd. China Qiu Huan Engineering Company China Textile Industry Design Institute Equipment Manufacturing Enterprise Technology Development Company Jinan Diesel Engine Factory Baoji Petroleum Machinery Co., Ltd. Baoji Petroleum Steel Pipe Factory Bohai Petroleum Equipment Manufacturing Co., Ltd. Research Institute Exploration and Development. Research Institute Planning Institute Petrochemical Research Institute Economic Technology Research Institute Drilling Engineering Technology Research Institute Safety and Environmental Protection Technology Research Institute Tubing Research Institute Guangzhou Training Center Dalian Training Center Audit Service Center Beijing Petroleum Management Cadre College Petroleum Industry Press China Petroleum News Agency directly affiliated unit Foreign Cooperation Manager Department Beijing Oil and Gas Control Center Pipeline Construction Project Manager Department Refining and Chemical Engineering Construction Project Department Information Technology Service Center Consultation. Central Materials Company Sino-Russian Cooperation Project Department Other International Enterprises Co., Ltd. PetroChina Finance Co., Ltd. PetroChina Asset Management Co., Ltd. China Huaming International Investment Co., Ltd. Natural gas transportation company China Huayou Group Company Huayou Beijing Service Corporation Natural Gas Hong Kong Co., Ltd. Beijing Huachang Real Estate Co., Ltd. PetroChina (Beijing) Technology Development Co., Ltd. China Petroleum Institute China Petroleum Enterprise Association