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Water hardness of Chengdu cluster bridge

800ppm. According to the statistics of Chengdu Water Quality Supervision Bureau, the water hardness of cluster bridge in Chengdu is 800ppm. Chengdu, referred to as "Rong" for short, is also called Rongcheng and Jincheng. Located in the middle of Sichuan Province, Chengdu is the capital and sub-provincial city of Sichuan Province, one of the first national historical and cultural cities in China, and an important central city in Southwest China.