Williams Scottsman bụ onye na-arụ ọrụ ụlọ modul zuru ụwa ọnụ, isi ụlọ ọrụ dabere na Baltimore, United States, nwere ọtụtụ ebe mgbakọ na United States & Canada, yana iri puku kwuru iri puku ụgbọala na-adọkpụ na ngwaahịa akpa.
Iji nwetakwuo mmepe ahịa na imelite ahịrị ngwaahịa ahụ, WS bịanyere aka n'akwụkwọ nkwekọrịta nkwekọrịta nkwekọrịta na Chengdong na 2014, na-enye anyị ikike imepụta na imepụta ngwaahịa modular dabara maka ahịa mgbazinye North America.Mgbe otu afọ nke nyocha na mgbanwe gasịrị, emechara ngwaahịa ahụ na 2015 wee kpọọ aha FLEX - nke pụtara mgbanwe na ngwa ngwa.
Ruo ugbu a, Chengdong Camp enyela 2,052 Set nke ngwaahịa FLEX maka ahịa North America.Ngwaahịa FLEX enwetala otuto dị ukwuu site n'aka ndị ahịa maka ịdị mma ngwaahịa ha na ọdịdị ejiji na ime ime.