掀开奶罩边躁狠狠躁苏玥视频,无码专区3d动漫精品,去阳台跪着把屁股抬起来,精品国产丝袜黑色高跟鞋

[Ferro-Alloys.com] Dongdaihe Jialian Technology Co., Ltd is a high-tech enterprise focused on producing high-end metallurgical furnaces, with annual volume reaches 5,000 tons.

Their products are supplied to major steel mills such as Hebei Iron &Steel Group, Rizhao Iron &Steel Group, Shougang Group.

Now they own 3 lines producing double-layered calcium cored wires and CaAl cored wires, monthly output averages 300 tons. Steel-used addictives was listed as a brand by the government in 2015.

It is acknowledged that compared with CaSi, FeCa cored wires, double-layered calcium cored wires has a higher calcium utilization rate and performs stably. This greatly reduced alloy smelting cost and thus is now being promoted. 

• [Editor:Zhang Xing]