河南省人民代表大会常务委员会关于加快发展 循 环 经 济 的决定

2006 Henan provincial decision establishing circular economy framework with broad scope covering 3R principles (reduction, reuse, recycling), agricultural waste/biogas/biomass, clean production, waste exchange in industrial parks, consumer behavior, and government investment—foundational policy advancing circular economy and biological-cycle outcomes through incentives, standards, and institutional mechanisms.