Jiangsu Huaxia Water Supply and Drainage Technology (江苏华厦给排水科技有限公司), formerly Yancheng Huaxia Stainless Steel Water Tank, is a national high-tech enterprise at the Jianhu Science and Technology Entrepreneurship Park, with a plant of more than 25,000 square metres. It makes modular stainless-steel fire water tanks, anti-flotation buried fire pump stations, integrated fire booster and pressure-stabilising pump stations, variable-frequency water supply equipment and IoT-enabled smart water supply systems. Its fire booster, pressure-stabilising and variable-frequency constant-pressure water supply equipment holds fire product certifications 5982020ZY140424, 5982020ZY140425 and 5982020ZY140426 from the Tianjin Fire Research Institute of the Ministry of Emergency Management.