大雞巴亂倫有声小说,AV香港经典三级级 在线,久久亚洲国产最新网站之一,国产午夜激无码AV毛片久久

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Specifications: according to customer requirements

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Specifications: according to customer requirements

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Applicable process: evaporation coating, ion sputtering

Erbium oxide

Erbium oxide

  • Category:Rare Earth products
  • Weight:0

Details:

Erbium oxide 

    CAS No.12061-16-4

    Purity: Er2O3/TREO 99%~99.99%

    Relative density:8.64g/cm3

    Properties: pink powder easy to absorb moisture and carbon dioxide from air. It will become hexahedron crystal if be heated to 1300Insoluble In Water.

    Molecular formular:Er2O3

    Molecular weight:382.5

Packaging: 25kgs per barrel with sealed double-film bags inner


成人片黄网站色大片免费观看cn| 伊人情人色综合网站| 性色av一区二区三区| 国产无遮挡又黄又爽高潮| 熟妇与小伙子matur老熟妇e| 性无码免费一区二区三区在线 | 国产精品美女www爽爽爽视频| 曰本女人与公拘交酡| 国产av电影区二区三区曰曰骚网| 亚洲av无码久久精品蜜桃| 国产肉丝袜在线观看| 人妻 校园 激情 另类| 久久久久亚洲精品无码网址蜜桃 | 精品一区二区三区东京热| 亚洲精品国产精品乱码不卡√| 欧美噜噜久久久xxx| 天美麻花果冻视频大全英文版| 老熟女重囗味hdxx70星空| 色欲国产麻豆一精品一av一免费 | 欧美黑人欧美精品刺激| 欧美尺寸又黑又粗又长| 国内少妇偷人精品视频免费| 国产99久久精品一区二区| 日本护士吞精囗交gif| 国产精品久人妻精品老妇| 亚洲av日韩综合一区二区三区| 老太脱裤让老头玩ⅹxxxx| 亚洲无线码一区二区三区| 亚洲高清乱码午夜电影网| 中文文字幕文字幕亚洲色| 熟妇人妻无码中文字幕| 精品少妇人妻av无码专区| 爱情岛论坛亚洲永久入口口| 国产国语在线播放视频| 午夜视频在线在免费| 国语自产偷拍精品视频偷| 成码无人av片在线电影网站| 给你免费播放的视频| 肉体裸交137日本大胆摄影| 一本一道av中文字幕无码| 国产av一区二区精品凹凸|