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] Selenium dioxide (SeO2) was one of the major raw materials of electrolytic manganese metal (EMM). As EMM price decreased much recently, upstream supplies were faced with more pressure and SeO2 manufacturers were forced to lower offers again.

According to the investigation of www.ferro-alloys.com, mainstream ex-work price of 98% SeO2 decreased from 245-255/kg (USD39.5-41.1/kg) to RMB 235/kg (USD37.9/kg) recently. The main use of selenium dioxide was still in EMM industry at present.

Copyright © 2014 Ferro-Alloys.Com. All Rights Reserved. Please write to zhanggaojian@ferro-alloys.com for help.

• [Editor:Mike.zhang]