国产色视频免费-欧美老妇与zozoz0交-亚洲色成人四虎在线观看-亚洲成av人片一区二区

Welcome to Baoji Baoye Titanium-Nickel Industry Co., Ltd

Development and Prospect of Titanium in the Feild of Building Material

In Japan, the use of titanium materials from 1986 to 1999 a total of 2001 t, the scale of the current market has grown to 200 t/a. Specifically used in the outer wall of the part of the building, roof 63%, ektexine 31%, monuments and other 6%. Building materials basically is 100% of pure titanium, the corrosion resistance respectively accounts for 60 to 80%.