Monga mtsempha wamtsogolo wamsewu kumwera chakumadzulo kwa Nigeria, Rye Railway ili ndi kutalika kwa makilomita 156.08.Mzere wonsewo umatenga miyezo yaku China yokhala ndi ma track awiri
gauge, ndi liwiro lalikulu la mapangidwe a makilomita 150 pa ola limodzi.Ndalama zonse za kontrakiti ya polojekiti ndi US $ 1.581 biliyoni.Kuchokera ku Lagos, mzinda waukulu kwambiri wa doko ku Nigeria kumwera, mpaka
Ibadan, likulu la Oyo State komanso tawuni yamafakitale kumpoto.Nthawi yomangayi ndi zaka zitatu, ndipo ikatsegulidwa, idzatumikira makasitomala ndi katundu.Pambuyo
ntchito yovomerezeka ndi kutsegula kwa magalimoto, ntchitoyi idzakhala yofunika kwambiri pa ntchito yomanga dziko la Nigeria ndi kukonza moyo wa anthu.
Kuyambira pakati pa Epulo 2018, anthu aku Chengdong adayamba kulumikizana ndi kontrakitala wamkulu wa Rye Railway waku Nigeria ndikuwadziwitsa zomwe kampani yathu imapangira msasa.Mpaka
Pa Ogasiti 20, 2019, Chengdong adasaina koyamba ndikugulitsa masikweya mita 307 Mgwirizano wa Mi Barracks udatenga chaka chimodzi ndi miyezi inayi.Anthu a Chengdong
anakumana ndi mavuto osawerengeka ndi kukanidwa, ndipo potsirizira pake anapambana dongosolo ndi kulimba mtima ndi kupirira kumanga mzati wa umphumphu.
M’chaka cha 2012, Boma la Federal Boma la Nigeria linapereka ntchitoyo mwalamulo ku nthambi ya China Civil Construction Nigeria ndipo inayambitsanso ntchitoyi.
Poyamba amayembekezeredwa kumalizidwa mu 2016, koma adachedwa chifukwa cha zifukwa zambiri, tsopano zikuyembekezeredwa kuti ntchito ya njanjiyi idzatha mu May 2020.
Kwa kasitomala's demandplan of labour camp , sitepe yoyamba ndikumanga msasa pafupi ndi Rye Railway Manager Department, yomwe yatsirizidwa, ndipo sitepe yachiwiri ndikumanga nyumba yaikulu.
nyumba yosungiramo katundu ndi kampu yoyenda pafupi ndi poyambira Rye Railway ku Lagos.Chifukwa chake, zinthu ndi ntchito zomwe timapereka nthawi ino zitha kukhala zotsatsa komanso zotsatsa
kuwonetsa gawo la subcontracting mayunitsi a China Earth.