中原环保：污水处理业务通常是以特许经营的模式开展

Core Viewpoint - Zhongyuan Environmental Protection announced that its wastewater treatment business typically operates under a concession model, with specific agreements on price adjustments in the concession agreements [2] Group 1: Business Operations - The company has specific agreements in its concession contracts regarding the adjustment of wastewater treatment prices [2] - To meet local government requirements for improved effluent quality, the company may need to upgrade wastewater treatment plants, which will lead to a recalculation of treatment prices based on the actual operating costs after the upgrades [2] Group 2: Historical Context - The company previously adjusted wastewater treatment prices for four treatment plants, including the Five Dragon Mouth and Ma Taogang plants, after implementing the Jialu River discharge standards in 2019 [2]