国产精品国产三级国产av主播丨大又大粗又爽又黄少妇毛片丨人妻视频一区二区三区免费丨亚洲欧洲成人精品香蕉网丨国产精品久久久久久久

  • 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

Bismuth trioxide

Bismuth trioxide

  • Category:Bismuth Compound
  • 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.



主站蜘蛛池模板: 女人18毛片水真多免费视频 | 国产全是老熟女太爽了| 亚洲精品国偷拍自产在线| 吃奶呻吟打开双腿做受动态图 | 日本不卡高清一区二区三区| 亚洲日韩精品一区二区三区无码| 日本中文字幕一区二区有码在线| 国产午夜无码片在线观看影视| 青青草大香焦在线综合视频| 98在线视频噜噜噜国产| 裸体美女无遮挡免费网站| 日日天干夜夜狠狠爱| 亚洲高清成人aⅴ片在线观看 | 高清午夜福利电影在线| av色欲无码人妻中文字幕| 免费的很黄很污的视频 | 果冻传媒色av国产在线播放| 好男人日本社区www| 精品乱码一区内射人妻无码| 亚洲中文字幕va毛片在线 | 亚洲男同gv在线观看| 国产色爱av资源综合区| 中国无码人妻丰满熟妇啪啪软件| 无码办公室丝袜ol中文字幕| 亚洲人成网线在线播放va| 欧美人妻体内射射| 国产欧美日韩| 97色伦午夜国产亚洲精品| 亚洲高清无码加勒比| 乱色国内精品视频在线| 又色又爽又黄的吃奶视频免费观看| 国产综合久久99久久| 人妻av综合天堂一区| 天堂在线网www在线网| 2019久久久最新精品| 无码av高潮抽搐流白浆| 亚洲精品国精品久久99热| 国产99久9在线视频传媒| 少妇白浆呻吟爽| 亚洲精品一区二区三区早餐| 夜夜澡天天碰人人爱av|