HC waxay ku taalaa magaalada Changsha, gobolka Hunan, Alaabooyinka ugu muhiimsan waxaa ka mid ah CRANKSHAFT, CYLINDER HEAD, BLOCK SYLINDER, PISTON, RING RING, CYLINDER LINER, BARING. Alaabooyinka waxaa loo isticmaalaa badda, gawaarida, koronto-dhaliyaha, mishiinada dhismaha, gawaarida xamuulka qaada, basaska iwm baabuurta ganacsiga. Qaabka matoorka ayaa daboolaya CUMMINS, CATTERPILAR, DETROIT, Volvo, MERCEDES-BENZ, MAN, DAF iwm, horumarinta sawirista macaamiisha ama muunado ayaa ah faa'iidadayada. Hadda badeecooyinka si guul leh ayaa loo dhoofiyay in ka badan 30 waddan.

Ka-hortagga ganacsiga sawirrada iyo muunadaha ayaa sidoo kale faa'iido u leh Mashiinnada Haochang. Shirkadda waxaa aasaasay Mrs. Susen, oo ah injineerad dumar ah oo jaamacadeeddu ahayd Mechanical Design and Manufacturing. Ka dib 4 sano oo waxbarasho nidaamsan, waxay mar ka shaqaynaysay farsamayaqaan goob-joog ah warshadda weyn ee mishiinada muddo 6 sano ah, ka dibna waxay ka shaqaynaysay sidii iibiye ganacsi shisheeye warshadaha dhoofinta ganacsiga shisheeye muddo ka badan 20 sano. Iyadoo 30 sano oo shaqo ah ay ku jirtay warshadaha mishiinada, Mrs. Susen waxay aasaas adag u dhistay nidaamka silsilada saadka xirfadeed ee Mashiinada Haochang.

Heerka tayada Mashiinnada Haochang ee la qaatay waa in la gaaro ama dhaafo heerarka OE. Iyadoo ISO9001-2015 shahaado nidaamka tayada, Mashiinada Haochang waxay leedahay dib u eegis silsilad sahayda iyo kooxda kormeerka tayada si loo hubiyo in alaabta 100% buuxiyo shuruudaha macaamiisha. Shaqaalaheenu waxay masuul ka yihiin tayada qayb kasta oo badeecad ah. Dammaanadda tayada hal sano ah ka dib rakibidda waa ballanqaadkeena aasaasiga ah.

Mashiinnada Haochang waxay si guul leh u caawiyeen macaamiisha si ay u abuuraan magacyadooda sida DIESSELTEK, SHAHYAR, TELFORD, DYNAGEAR, TRUST-DIESEL iwm iyaga ka mid ah, calaamadda DIESELTEK waxay leedahay qayb ka mid ah 60% suuqa gudaha. Diirada saar warshadaha ka dibna noqo xirfadle, iyo xirfada nagu qaada si aan ugu adeegno macaamiisheena si ka wanaagsan iyo si ka sii wanaagsan. Iyada oo ku dhawaad ​​​​30 sano oo waayo-aragnimo warshadeed ah, Mashiinnada Haochang waxay soo ururiyeen khibrad qani ah oo ku saabsan raadinta wax soo saarka, rarida xamuulka iyo hagaajinta alaabta, si ay si joogto ah u wanaajiso awoodeena. Waayo-aragnimada wanaagsani waxay kalsooni badan ka heleen macaamiisheena cusub iyo kuwii hore.