N'afọ 2019, Holtop mba nkesa ogbako e mere na Beijing.
N'afọ 2018,Holtop weputara ihe nrụpụta ikuku ọhụrụ na ngalaba njikwa ikuku nwere sistemu mgbapụta ọkụ
N'afọ 2017, A họpụtara Holtop dị ka ụlọ ọrụ Hi-tech nke mba wee wepụta usoro ikuku ume ọkụ na-agbake nke Eco-clean Forest.
N'afọ 2016, Holtop kwagara na ntọala mmepụta ọhụrụ ya wee nweta uto kwa afọ nke 39.9%.
N'afọ 2014, Holtop kwadoro site na nyocha SGS na usoro njikwa ISO.
N'afọ 2012, Holtop nwetara nnukwu ihe ịga nke ọma na ubi AHU site na-arụ ọrụ na Mercedes Benz, BMW, Ford, wdg, na rotary okpomọkụ Exchanger gbaara site Eurovent.
N'afọ 2011, Holtop n'ichepụta bases e gbaara site ISO14001 na OHSAS18001.
In 2009, Holtop wetara sistemu mgbake ikuku ume n'ụlọ ngosi ngosi ụwa.
N'oge 2007-2008, Holtop wuru ụlọ nyocha enthalpy enyere ikike wee weta yausoro mgbake ume na egwuregwu Olympic.
N'afọ 2005, Holtop kwagara na ụlọ ọrụ 30,000sqm na asambodo ISO9001
N'afọ 2004, Holtop rotary okpomọkụ Exchanger ulo oru na ahịa.
N'afọ 2002, Holtop tọrọ ntọala n'ụzọ ziri ezi na ume mgbake ventilashị n'ahịa.