Jinan Credit lik'hemik'hale Co., Ltd. e thehiloe a 2008 ka Jinan, China le e nehetsoeng ho lipatlisiso le tlhahiso ea mahlahana Optical brightener le intermediates. khampani ya rona e se e entse a pharaletseng a, ka botebo le ho etsa lipatlisiso hlokolosi ka ho sebelisa mahlahana Optical brightener ka lilemo tse fetang tse leshome. Nako e telele sebelisana le diyunivesithi tsebahalang tse ruuoang le thusa ba likete ba bareki lapeng le linaheng tse ling ho ema tsoa ka pele-ho fetola 'marakeng oa lefatše lohle.