Sehlopha sa Tšepe sa Tianjin Rainbowe thehiloe ka 2000, e fumaneha Tianjin City. Ka nts'etsopele ea lilemo tse 20 tse fetileng, Rainbow Steel e fetohile khoebo e kopaneng ea tšepe le tšepe ea phaephe ea tšepe ea galvanized, bare ea tšepe ea galvanized, liprofaele tsa galvanized, meaho ea tšepe ea galvanized bakeng sa Kaho ea Meralo ea Motheo, Indasteri ea Meaho, Temo le sebaka sa Energy e Ncha. Re boetse re moetsi e moholo ka ho fetisisa oa tora ea tšepe ea phetisetso ea motlakase Leboea ho Chaena. Rainbow Steel Group e na le makala a 'maloa a kenyeletsang mela ea ts'ebetso ea tšepe, ho seha tšepe, ho tjheseletsa le ho taka litempe, mochini oa galvanizing le ntlo e kholo ea polokelo. Sehlopha sa rona se na le mahlale a tlhahiso, boiphihlelo ba ts'ebetso, bokhoni ba boenjiniere le lisebelisoa tse tsoetseng pele. Batho ba rona ba bohlale ebile ba sebetsa ka thata. Lihlahisoa tsa rona tse ka sehloohong tsa ho romela kantle ho naha ke liphaephe tsa tšepe tsa galvanized, mesebetsi ea meaho ea tšepe kapa mesebetsi ea foreimi, bare ea tšepe ea galvanized, bare e bataletseng, liteishene tsa tšepe le maballo, liprofaele tsa tšepe le mesebetsi e meng eohle ea tšepe e tla hloka ts'ebetso e eketsehileng. Ka nts'etsopele ea maemo a lefats'e e ntseng e hola, Rainbow steel e ikemiselitse ho nts'etsapele mahlale a macha le tšebeletso e ntle ho fihlela litlhoko tse ntseng li hola tsa matla a letsatsi. Sehlopha sa rona se na le boiphihlelo ba lilemo tse fetang 10 le linyeoe tse atlehileng khoebong ea ho kenya matla a letsatsi (lebanta la letsatsi). Lihlahisoa tsa rona li fumane setifikeiti sa TUV, CE, ISO 9001-2008 jj. Lithupelo tsa ho seha, ho tjheseletsa le ho hatakela ka laser lia fumaneha bakeng sa thepa e tloaelehileng le e etselitsoeng motho ka mong.