Nnọọ na Tianjin Rainbow Steel.Anyị na-emepụta ngwaahịa ígwè ma ọ bụ nhazi ígwè makaNhazi Nwụnye nke Anyanwụ, Nnyefe na NkesaỌdịdị ígwè(Ụlọ Elu na Ogidi), Ọrụ Ụlọ, Ụlọ Ọrụ Mmepụta Ihe, Ịkpụcha Ihe na Ịrụ Ụlọ Greenhouse. E hiwere otu Tianjin Rainbow Steel Group na 2000, nke dị na Tianjin City. Mgbe ọtụtụ afọ nke mmepe gasịrị, Rainbow Steel etolitela n'ime ụlọ ọrụ ígwè na ígwè jikọtara ọnụ nke paịpụ ígwè galvanized, ogwe akụkụ ígwè galvanized, profaịlụ galvanized, ihe owuwu ígwè, anyị bụkwa ụlọ elu ígwè na-ebufe ọkụ eletrik kachasị na China. Otu anyị nwere ụlọ ọrụ galvanizing nke anyị, yabụ enwere ike ịmepụta ọrụ niile site na ụlọ ọrụ mmepụta ihe nke anyị. Chọpụta nnukwu ngwaahịa ígwè anyị gụnyere Paịpụ ígwè, Angles ígwè, Ogwe ígwè, Ngwaahịa ígwè a gbara okirikiri, Nhazi ígwè a gbanyere agbaze, Ụlọ Elu na Ogidi ígwè, Ọrụ ndị na-atọ ụtọ, ahụmịhe ụlọ ọrụ sara mbara na onyinye ọrụ dị elu.