真空炉用石墨热场

Graphite hot field for vacuum furnace

  高温及真空电炉用用石墨制品

Graphite for high temperature and vacuum furnaces 

硬质合金棒材机械手臂挤压机专用槽板

Carbide rod mechanical arm special trough plate extrusion machine

硬质合金棒材机械手臂挤压机专用槽板

Carbide rod mechanical arm special trough plate extrusion machine