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Sannadkii 2002dii
Maajo 22, 2002, Holtop waxaa la aasaasay, HOLTOP hawo-mareenka soo kabashada tamarta ayaa laga bilaabay suuqa.
Sannadkii 2003dii
Intii lagu jiray xilligii SARS, Holtop wuxuu qalab hawo-mareeno cusub siiyay cisbitaalka Xiaotangshan SARS, Cisbitaalka Guud ee Ciidanka Badda, iwm, waxaana la guddoonsiiyay "Abaalmarinta Wax ku biirinta Wacan ee La-dagaalanka SARS oo ay soo saartay dawladda hoose ee Beiiing.
Sannadkii 2004-tii
Holtop Rotary Heat Alaabta ayaa laga bilaabay suuqa.
Sannadkii 2005tii
Warshada Holtop waxay balaarisay 30,000sqm waxaana la siiyay shahaadada ISO9001 nidaamka maaraynta tayada tayada.
Sannadkii 2006dii
Qaybaha hawo soo kabashada kulaylka Holtop ayaa laga bilaabay suuqa. Holtop wuxuu sameeyay xafiisyada iibka laanta ee Shanghai, Tianjin, iwm.
Sannadkii 2007dii
Holtop waxa uu ka qaybqaatay ururinta heerka qaran ee "Cutubyada Soo kabashada Tamarta Hawada ilaa Hawada" ; Waxaa la siiyay qalab hawo nadiif ah oo loogu talagalay ciyaaraha Olombikada Beijing, hoolka baaskiillada ee Laoshan, Judo Hall ee jaamacadda sayniska iyo tignoolajiyada, hoolka deyrka ee Xarunta Shirarka Qaranka, garoonka Sailing Olympic ee Qingdao, iwm.
Sannadkii 2008dii
Holtop waxa uu dhisay shaybaadhka enthalpy ee qaranka ee idman waxana ay shahaado siisay xarunta ilaalinta tayada qaboojinta qaranka.
Sannadkii 2009-kii
Holtop waxay siisay qalabka nidaamka hawo kabashada tamarta ee Shanghai World Expo Center iwm 15 goobood ee World Expo, Guangzhou Tower iyo goobaha kale ee Guangzhou Asian Games, goobaha ugu muhiimsan ee Ciyaaraha Qaranka ee Shandong iyo hoolka tennis, iwm.
Sannadkii 2010kii
Holtop waxa uu dhisay 18 goobood oo iibka iyo xafiisyada adeega shabkada iibku waxa ay dabooshaa dalka oo dhan. Helay "Shatiga Wax Soo Saarka Warshadaha Qaranka"
Sannadkii 2011kii
Holtop waxaa shahaado siisay ISO 14001 iyo OHSAS 18001.
Sannadkii 2012-kii
Holtop wuxuu ku guuleystey guul weyn inuu bixiyo alaabada AHU ee la habeeyay ee warshadaha baabuurta isagoo la shaqeynaya Mercedes Benz, BMW, Ford, iwm. Isku-beddelka kulaylka Holtop oo ay shahaado ka bixisay Eurovent. Taxanaha dhammaan alaabada hawo-mareenka soo kabashada tamarta Holtop oo ay shahaado ka bixisay"Shahaadada Badbaadinta Alaabada Tamarta ee Dhismaha".
Sannadkii 2013kii
Holtop wuxuu maalgashaday oo bilaabay inuu dhiso saldhig cusub oo wax soo saar ah oo daboolaya aag dhan 40,000㎡ gudaha Aagga Horumarinta Dhaqaalaha ee Badaling ee Beijing.
2014kii
Holtop wuxuu ku biiray Isbahaysiga Warshadaha Hawada Sifaynta Hawada Shiinaha iyo Isbahaysiga Warshadaha Hawada Cusub ee Shiinaha, Holtop waxaa ansixiyay SGS ee xisaabinta cusboonaysiinta shahaadada ee nidaamyada maamulka saddexda ISO.
2015kii
Holtop wuxuu si rasmi ah u bilaabay adeegsiga habka maamulka kooxda; Saldhig wax soo saarka Holtop Badling, oo ah saldhigga ugu weyn ee wax soo saarka kulaylka ee Shiinaha, ayaa si rasmi ah loo isticmaalay; Holtop waxa uu helay laba shati-hal-abuur qaran; Holtop waxa uu ka qaybqaatay ururinta heerka qaran ee "Hawada ilaa Hawo Heat Exchange Unit for Unit Ventilation and Hawo Conditioning System", halbeega ayaa la faafiyay oo la fuliyay.
Sannadkii 2016-kii
Holtop waxaa lagu abaalmariyay "Zhongguancun High-Tech Enterprise"
Holtop wuxuu guul weyn ka gaadhay mashruuca qaboojinta hawada ee Geely Belarus. Alaabada nadiifinta hawada cusub ee guriga Holtop waxay heleen laba shati oo qaran. Kooxda Holtop waxay ka qaybqaadatay isku-dubaridkii "Sifeeye Hawada Cusub" iyo "Tilmaanta Farsamada ee Dhismaha Madaniga ah ee Nidaamka Hawada Cusub" Heerarka, waa la faafiyay oo la fuliyay.
Sanadka 2017
Holtop waxaa lagu abaalmariyay "Shirkadda Tiknoolajiyadda Sare ee Qaranka": Holtop qoyska Eco-Clean Series nidaamka nadiifinta hawada cusub ee ERV ayaa laga bilaabay suuqa.
Sanadka 2018-ka
Shirkadda Ilaalinta Deegaanka Holtop waxaa la siiyay "National High-Tech Enterprise", "Holtop Science and Technology Park" ayaa la isticmaalay.
2019ka
Holtop is-horumariyay DX nooca hawada nadiifinta kulaylka soo kabashada AHUs laga bilaabay suuqa.
2020
Intii lagu jiray xilligii faafitaanka COVID-19, Holtop wuxuu si wadajir ah ugu deeqay qalab hawo cusub oo ay weheliyaan Zhong Nanshan foundation, waxay siiyeen nidaam hawo cusub oo loogu talagalay isbitaalka hoyga ee Wuhan.