The modular fiberglass water tank is a substitute for the old-fashioned cement water tank, and it fully meets the technical performance requirements of the National Construction Industry Bureau standard JC658.1-1997. The water tank has been tested by relevant national departments and meets the requirements of GB/T17219-98 “Safety Evaluation Specification for Drinking Water Transmission and Distribution Equipment and Protective Materials”. The water quality meets the national “Drinking Water Standard” (GB5749-2006). Widely applicable to industrial and mining, enterprises and institutions, residential buildings, hotels, restaurants and other buildings, it is used as a water storage facility for drinking water, reclaimed water treatment, fire water and other water use.