The Western way that failed was a monoculture of timberland, that ignored the guidance and warnings of indigenous people from those lands. That is not what China is doing.
From their 1 trillion trees initiative:
"It also includes a vast array of active management practices, such as sustainable agroforestry, silviculture or permaculture practices, to promote biodiversity in managed systems. Ultimately, the protection and restoration of forest ecosystems are complex social, political and economic challenges that require the development of land-management policies that give priority to the rights and wellbeing of local communities and indigenous people51. Only when healthy biodiversity is the preferred choice for local people can ecosystem-restoration initiatives be sustainable in the long term52. When built in a socially and ecologically responsible way, the promotion of diverse forests can contribute substantially to achieving our combined climate and biodiversity goals."