Primem is a Singapore-based company specialized in manufacturing PVDF hollow fiber membranes for water and wastewater treatment. Primem and its predecessors have been in the business for 13 years and its membrane manufacturing plant has been certified by ISO9001:2015 since 2019. Primem has so far obtained a total of 16 patents in the fields related to technological processes and product design of hollow fiber membranes and the related fields.