将军猛烈顶弄H太子肉肉,无码人妻丰满熟妇精品区,挺进朋友人妻的后菊,一本大道伊人AV久久综合

Copper and copper alloy powders

  • name: Copper and copper alloy powders
  • Classification: Copper and copper alloy powders
  • Corporate name: Dada Alloy Co., Ltd
  • Time: 19/07/28
  • Click count:  
Product details


Copper and copper alloy powders are produced using chemical precipitation and reduction techniques, characterized by uniform composition, fine particles, large specific surface area, and high chemical activity.

Commonly used in diamond tools, catalysts, electronic devices, etc



點(diǎn)擊次數(shù):   更新時(shí)間:19/07/28 10:55:07   【打印此頁】   【關(guān)閉