成人观看免费观看视频,国产不卡视频在线播放,国产在线视欧美亚综合,中文字幕在线观看日韩,国产三级精品最新在线

Metal substrate

  • Number of floors:1L
  • Board thickness:2.0mm
  • Copper thickness:2oz
  • Surface treatment:Shen Jin
  • Line width and space:0.25mil/0.25mil
  • Application:LED
  • Technical characteristics:aluminum substrate