一本色道无码不卡在线观看-国产口爆吞精在线视频-免费观看又色又爽又黄的崩锅-精品国产乱码一区二区三区-中文字幕乱码人妻一区二区三区

  • 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

 Germanium powder

Germanium powder

  • Category:Copper Iron Rhenium powder
  • Weight:0

Details:

Our company can supply high-purity germanium powder

Purity: 99.999~99.9999%

Particle size: 100~400mesh 

 

Ge % ≥

Impurities % 

As

Fe

Cu

Ni

Pb

Co

Al

99.999

0.00001

0.0001

0.00002

0.00002

0.00001

0.00002

0.0001


主站蜘蛛池模板: 久久久综合亚洲色一区二区三区| 欧美老妇牲交videos| 精品无人区一区二区三区在线| 人妻精品久久无码专区涩涩| 狠狠热精品免费视频| 精品久久国产字幕高潮| 国产爆乳美女娇喘呻吟| 日韩国产成人精品视频| 精品久久久久久国产潘金莲| 激情都市 校园 人妻 武侠| 亚洲爆乳无码精品aaa片蜜桃| 久久偷看各类wc女厕嘘嘘| 久久成人麻豆午夜电影| 少妇真实被内射视频三四区| 精品女同一区二区| 亚洲国产中文字幕在线视频综合| 国产精品aⅴ视频在线播放| 久久久久中文伊人久久久| 亚洲成av人片天堂网站 | 亚洲人成未满十八禁网站| 福利姬国产精品一区在线| 一本大道东京热无码aⅴ| 三叶草欧洲码在线| 欧美 日韩 人妻 高清 中文| 日韩激情无码不卡码| 国产l精品国产亚洲区久久| 亚洲综合色区在线观看| 久久久久亚洲精品中文字幕 | 大桥未久亚洲无av码在线 | 国产精品久久久久久亚洲毛片| 国产丰满老熟妇乱xxx1区| 国产9 9在线 | 中文| 色综合久久久久无码专区| 午夜福利理论片在线观看播放| 四虎成人精品在永久免费| 国产欧美久久一区二区三区| 自拍偷自拍亚洲精品被多人伦好爽| 东京无码熟妇人妻av在线网址| 午夜丰满少妇性开放视频| 国产精品无码不卡一区二区三区 | 风韵丰满熟妇啪啪区老老熟女百度|