bayantala, Baotou, Nei Menggu, China

Duowei Union Group’s main products include: energy-saving polyurethane boards, new-type rock-wool and glass-wool boards, color-coated steel pressure plate, color steel sandwich panels,...

Duowei Union Group€™s main products include: energy-saving polyurethane boards, new-type rock-wool and glass-wool boards, color-coated steel pressure plate, color steel sandwich panels, composite slab...