► 2012.03, Dr. Liu Hongjun founded AGplus Technologies in Singapore to transform his nano-sterilization technology.

► 2012.05.03, AGplus Technologies (Singapore) and Singapore Polytechnic formed a strategic partnership to jointly develop portable nano-sterilization water purfication technology and products.

► 2012.11.12, the PurHeart brand was registered in Singapore by AGplus Technologies. Brand meaning: PurHeart is obtained by combining the two English words of Pure and Heart and removing the letter of "e" (representing evi in English), which means to remove the unclean things in the water with a pure heart.

► 2013.05.06, AGplus Technologies offically released the PurHeart water purification brand and signed a strategic cooperation agreement with Singapore famous humanitarian charity organization -Mercy Relief, and using PurHeart's patented water purification technology to joinly implement humanitarian relief work in the Asia Pacific region.

► 2015.05.13, the first generation of kitchen top nano-ceramic water purifier ( brandname "PurHeart") was officially launched.

► 2016.08.24, Singopore PurHeart nano-purification technology patent invention was officially approved, patent number: ZL 2013 1 0190451.1.

► 2016.11.30, PureHeart and Institute of Materials Research and Engineering (IMRE), A*Star jointly published the research achievements of nano-silver bactericidal materials on a top international academic jourmal《 Applied Surface Science》.

► 2018.12, the second generation of kitchen top water purifier was launched, integrating three self developed and world-leading core technologies. The Chinese name of PurHeart trademark was officially branded as "普惠特".