Handan Zitai Fastener Manufacturing Co., Ltd bụ nnukwu onye nkesa ọkachamara nke ngwa ngwa, nke nwere akụrụngwa mmepụta dị elu na ahụmịhe mmepụta ihe bara ụba. Ụlọ ọrụ ahụ na-achịkwa àgwà ngwaahịa nke ọma, bụ nke mere ka ngwaahịa ya nwee ike ịga n'ihu na-amụba ọnụ ọgụgụ ahịa ha, na-ebuli ọkwa na oyiyi ha ngwa ngwa, ma nweta otuto otuto sitere n'aka ndị isi na ọkwa niile na ndị ahịa. Ụlọ ọrụ anyị na-emepụta ma na-ere ihe dị iche iche ike bolts, hoops, fotovoltaic ngwa, ígwè arụnyere akụkụ, wdg.