天海翼无码视频_AV在线影视_婷婷丁香五月周_黄色无码av

天海翼无码视频_AV在线影视_婷婷丁香五月周_黄色无码av

天海翼无码视频_AV在线影视_婷婷丁香五月周_黄色无码av_伦一理一级一a一片_青青草国内亚洲_91色东京热

  • <sub id="hr2fw"></sub>

  • 
    

  • <sup id="hr2fw"><cite id="hr2fw"><ul id="hr2fw"></ul></cite></sup>

    <sub id="hr2fw"></sub>
    • 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

    Home >Self-owned brand >Bismuth Series >Bismuth trioxide 
    Bismuth trioxide 

    Bismuth trioxide 

    • Category:Bismuth Series
    • Weight:0

    Details:

    Purity: 99.5% ~ 99.9%

    Feature: light yellow powder and odourlessinsoluble in acid and water

    Packaging: 20-25kgs per sealed plastic bags in cardboard drums

    Main Application: Mainly used for chemical industry, production of Bismuth salt, glass staining, voltage dependent resistor and thermistor, lightning arrester, kinescope, fireproofing paper, electronic ceramic power, photoelectric material, high temperature superconducting material and catalyst.



    天海翼无码视频_AV在线影视_婷婷丁香五月周_黄色无码av

    • <sub id="hr2fw"></sub>

    • 
      

    • <sup id="hr2fw"><cite id="hr2fw"><ul id="hr2fw"></ul></cite></sup>

      <sub id="hr2fw"></sub>
      久久一级a片| 欧美色视频导航| 福利片一区二区| 成人A在线观看视频| 查A级特级黄色网址| 欧洲激情性爱AV网| 淫淫网色色网| 无码高清一二本到| 超碰无码免费福利| 亚洲avtt| 色婷日日综合久久亚洲| 国产久久久久久视频| 操逼无码观看| 福利AV综合导航| a级视频在线| 性爱第一页| 精品一二三区| 青青伊人欧美| 三级黄色片网站| 91狠狠综合久久| 精品同性一区二区三区| 日韩欧美A片| eeuss黄色| 日韩14xx| 成人毛片一区二区| 久草av一区| a片电影在线观看网址| 亚洲清草网| 先锋成人影音| 岛国成年人免费AV片| 免费一级婬片A片在线观| 黄色录相AA片一级| 人妻少妇精品色欲AV| 黄色av小电影| 日韩免费黄色片| 超碰黄色一级A片| 三级无码A片| 亚州特级无码| 无码爱爱视频| 操人妻91| 少妇大胆瓣开下部自慰|