UWilliams Scottsman ungumqhubi womhlaba wonke wokwakha, ikomkhulu elizinze e-Baltimore, e-United States, elinezindawo zomhlangano eziningi e-United States nase-Canada, kanye namashumi ezinkulungwane zama-trailer nemikhiqizo yeziqukathi.
Ukuze kuthuthukiswe imakethe futhi kuthuthukiswe umugqa womkhiqizo, i-WS yasayina isivumelwano sokusebenzisana ne-Chengdong ngo-2014, isiphathisa ukuklama nokwenza umkhiqizo oyimojuli ofanele imakethe yokuqashisa yaseNyakatho Melika.Ngemuva konyaka wezingxoxo nokulungiswa, umkhiqizo waphothulwa ngokusemthethweni ngo-2015 futhi waqanjwa ngokuthi FLEX - okusho ukuthi uyaguquguquka futhi uyashesha.
Kuze kube manje, i-Chengdong Camp ihlinzeke ngamasethi angu-2,052 emikhiqizo ye-FLEX emakethe yaseNyakatho Melika.Imikhiqizo ye-FLEX izuze ukunconywa okubanzi kumakhasimende ngekhwalithi yomkhiqizo wabo omuhle kakhulu nokubukeka kwemfashini nokwakheka kwangaphakathi.