美国一级毛片免费看-美国一级毛片免费看成人-美国一级毛片免费视频观看-美国一级毛片片aaa-天天操夜夜操天天操-天天操夜夜操视频

  • 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: xxx久久| 黄网免费在线观看 | 偷偷狠狠的日日2020 | 精品精品精品 | 成年美女黄网站色大片软件 | 日本伊人久久 | 久在线观看视频 | 久久两性视频 | 日本精品免费 | 一区二区视频在线观看免费的 | 久久精品国产一区二区三区肥胖 | 成 人 黄 色 视频免费播放 | 欧美性猛交xx免费看 | 日韩一级二级三级 | www.呦呦| 婷婷涩五月 | 在线观看免费国产视频 | 国产一区二区三区在线视频 | 久久久夜色精品国产噜噜 | 两性午夜视频 | 中文字幕三级 | 一区二区三区影院 | 久久久午夜精品理论片 | 久久www免费人成看片色多多 | 最近中文字幕无吗免费高清 | 加勒比色 | 色多多在线免费观看 | 狠狠干伊人 | 四虎在线观看免费视频 | 国内久久久久久久久久 | 国产精品久久网 | 国产精品区一区二区三 | 国产成人亚洲综合一区 | 91久久打屁股调教网站 | 欧美性色视频 | 国内精自线一二三四2021小说 | 国产成人精品久久一区二区小说 | 成年美女黄网站色大片图片 | 99久久精品免费看国产高清 | 国产精品丝袜高跟鞋 | 国产免费福利 |