Since the 12th 5-year plan, PetroChina's pipeline business has met a historical development opportunity, and an oil and gas supply network reaching foreign countries, covering the whole country and dispatched in central manner has taken shape preliminarily. At the same time, based on CNPC's development ideas and strategies, pipeline enterprises initiated the idea of establishing green pipeline and safe, efficient and low carbon operating pipeline network. In view of the low carbon challenges and chances fac...