Ekesịpde ụlọ mmepụta ihe na Hebei ógbè na Tianjin Area- isi ígwè ụlọ ọrụ isi ke North China, na-ewere uru nke nso ígwè mills na ihe karịrị afọ 30 obodo omenala waya ngwaahịa na-amị, anyị ụlọ ọrụ nwere
