Founded in 1983, Duowei has established itself as the world's leading integrated service provider of metal enclosure systems for buildings. Duowei has established modern lean manufacturing bases in Tianjin, Nantong, Shenyang, Guangdong and Sichuan. Duowei has also set up overseas offices in major markets such as Southeast Asia, Africa, and South America, serving more than 10, 000 client, con i suoi prodotti che raggiungono mercati in oltre 100 paesi e regioni in tutto il mondo .