Hainan car charging infrastructure construction survey: accurate distribution and moderate advance. Once charging stations are built, new energy vehicles will start running ——Investigation on the construction of automobile charging infrastructure in Hainan   Reporter Wang Wei and Pan Shipeng: How to scientifically lay out and build the charging infrastructure system appropriately and ahead of schedule? How to optimize supporting services? Looking to the future, what other issues need to be resolved? Economic Daily reporters launched an investigation in Hainsan.