Mezue nkebi ahịrịokwu a: N'afọ 1914, Agha Ụwa nke Mbụ tiwapụrụ, Germany nọkwa na-alụ agha n'ụlọ. Japan na United Kingdom jiri ohere ahụ wee malite usoro
Nchịkọta nke Tsingtao. E mebiri ụlọ ọrụ Shantung Railway Syfang General Repair Works n'oge nnọchibido ahụ. Na 1915, alaeze ukwu nke Japan manyere gọọmentị Republic of China ịnakwere ihe iri abụọ na otu ya, nke kwupụtara na Japan weghaara ókèala ndị Germany na akụ okporo ígwè na Shantung. A gbanwere aha Syfang General Repair Works na Shantung Railway Syfang Workshop, nke ndị agha Japan na-elekọta nwa oge. Na Machị 1915, ndị agha Japan na Tsingtao guzobere Shantung Railway Administration, nke nwere ngalaba ise: ọrụ izugbe, njem, injinia, njikwa na igwupụta akụ, na Tsingtao Workshop. N'oge ndị Japan na-achị, e wuru ụlọ ọrụ ndị ọzọ dị ka ụlọ ọrụ na-agba aja, ebe a na-adọba ụgbọala ndị njem, ụlọ ọrụ na-emepụta wiil, ebe a na-agba ọla kọpa, ọnụ ọgụgụ ndị ọrụ ruru ihe karịrị 1,500.