Ụlọ ọrụ ahụ dị na Tianjin, China, na nso ọdụ ụgbọ mmiri,
na adaba mbupụ njem.Ndị otu ọkachamara nwere afọ iri nke azụmaahịa mba ofesi na ahụmịhe mbupụ na-atụ anya ka gị na ha rụọ ọrụ.
Tianjin Minjie ígwè Co., Ltd e guzobere na 1998. Anyị factory karịa 70000 square mita, dị nnọọ 40 kilomita si XinGang n'ọdụ ụgbọ mmiri, nke bụ nnukwu ọdụ ụgbọ mmiri n'ebe ugwu nke China.
Anyị bụ ndị ọkachamara emeputa na ekspootu maka ígwè ngwaahịa.The isi ngwaahịa bụ pre galvanized ígwè ọkpọkọ, na-ekpo ọkụ itinye galvanized ọkpọkọ, welded ígwè ọkpọkọ, square & akụkụ anọ tube na scaffolding ngwaahịa.We tinye maka na natara 3 patents.They bụ uzo pipe, ubu ọkpọkọ. na victaulic pipe .Our n'ichepụta akụrụngwa na-agụnye 4 tupu galvanized ngwaahịa ahịrị, 8ERW ígwè ọkpọkọ ngwaahịa ahịrị, 3 na-ekpo ọkụ-tinye galvanized usoro akara.Dịka ọkọlọtọ nke GB, ASTM, DIN, JIS.The ngwaahịa bụ n'okpuru ISO9001 àgwà asambodo.