Qingdao KangtaiGroup Co., Ltd. is the approved supplier of CSR (CRRC), is devotedto researching and developing all kinds of aluminum and magnesiumprofiles.Our products include Grade 5000and 6000 series, Temper T4, T5 and T6, with annual output reaches50000 tons.We have surface treatments ofanodize oxidation, electrophoresis spray painting, powder coatingand transferred wood grain.And also we have great ability ofmachining process and precision casting.