Located in Longyan City, Fujian Province,the supply equipment ranges from a single treatment capacity of 30 m³/d to 2000 m³/d. The Modular Water Purification System adopts the advanced water treatment process of "folded plate flocculation,lateral flow horizontal sedimentation, quartz sand filtration". At the same time,the automatic flocculant dosing system, disinfection system, backwashing system, automatic control system,water quality online monitoring system and remote transmission control cloud platform are added. Among them, Liuquan Water Plant in Hetian Town was selected into the national "List of Rural Water Supply Standardized Water Plants of the Ministry of Water Resources in 2021" in August 2021.Its backwash cycle can reach 58 hours at most, and the turbidity of filtered water can reach 0.01-0.04 NTU.