HC o loʻo i totonu o le aai o Changsha, itumalo o Hunan, O oloa autu e aofia ai CRANKSHAFT, CYLINDER HEAD, CYLINDER BLOCK, PISTON, PISTONG RING, CYLINDER LINER, BEARING. O oloa o loʻo faʻaaogaina i le gataifale, locomotive, generator, masini faufale, loli mamafa, pasi ma isi taavale faʻapisinisi. O le faʻataʻitaʻiga afi e ufiufi CUMMINS, CATTERPILAR, DETROIT, VOLVO, MERCEDES-BENZ, MAN, DAF ma isi, atinaʻe e pei o ata faʻatau poʻo faʻataʻitaʻiga o lo tatou avanoa. O lea ua manuia le auina atu i fafo o oloa i le silia ma le 30 atunuu.

O le gaosiga o pisinisi o ata ma faʻataʻitaʻiga o se avanoa foi lea a Haochang Machinery. O le kamupani na faavaeina e Mrs. Susen, o se tamaitai enisinia o lana iunivesite o le Mechanical Design and Manufacturing. Ina ua maeʻa le 4 tausaga o suʻesuʻega faʻapitoa, sa galue muamua o ia o se tekinisia i luga ole laiga i se fale gaosi masini tele mo le 6 tausaga, ona galue ai lea o se tagata faʻatau fefaʻatauaʻiga i fafo i pisinisi faʻatau atu i fafo mo le silia ma le 20 tausaga. Faatasi ai ma le 30 tausaga o galue i le alamanuia masini, na fausia ai e Mrs. Susen se faavae mautu mo le faiga o filifili sapalai faapolofesa a Haochang Machinery.

O le tulaga lelei o le Haochang Machinery ua faʻaaogaina o le ausia pe sili atu i tulaga OE. Faʻatasi ai ma le ISO9001-2015 faʻamaonia faiga faʻamaonia, Haochang Machinery o loʻo i ai se iloiloga sapalai filifili ma au asiasiga lelei e faʻamautinoa ai o oloa 100% e fetaui ma manaʻoga o tagata faʻatau. O le matou aufaigaluega e matua nafa ma le lelei o vaega taitasi o oloa. E tasi le tausaga fa'amaonia lelei pe a mae'a fa'apipi'i o la matou tautinoga fa'avae.

Haochang Machinery fesoasoani manuia i tagata faatau i le fatuina oa latou lava ituaiga e pei o DIESSELTEK, SHAHYAR, TELFORD, DYNAGEAR, TRUST-DIESEL ma isi. Faatasi ai ma i latou, o le DIESELTEK brand ei ai se vaega o le 60% i le maketi i le lotoifale. ma le galuega e ave ai i matou e tautuaina a matou tagata faʻatau ma sili atu. Faatasi ai ma le toeitiiti atoa le 30 tausaga o le poto masani i alamanuia, ua faʻaputuina e le Haochang Machinery le poto masani i le siakiina o gaosiga, uta uta ma le faʻaleleia atili o oloa, e faʻaauau pea ona faʻaleleia o tatou gafatia. O aafiaga lelei ua maua atili ai le fa'atuatuaga mai a matou tagata fa'atau fou ma tuai.