Flochem is an import house deals out mining , crude oil rafinery , wastewater treatment , potable water treatment , food , dairy , paper and ceramic industry sectors by means of laboratory analysis , full scale test work , sales , and after sales services respectively and imports high performance anionic , cationic and nonionic polyelectrolytes , organic coagulants (polyamines and polydadmacs) , demulsifiers , color remover products and defoamers .