taking Lan-Xi economic zone as example taking Poyang lake ecological economic zone as an example taking Jiangxi Province as an example taking Jiangxi province as an example taking inner Mongolia as an example taking Shaanxi province as an example taking aluminum as an example taking the Hoholt-Baotou-Yinchuan-Yulin economic zone as an example taking Baotou city as an example taking Guangdong as an example