CCL Cutting And Pcking Lubricated PCB Drilling Backup Board Wathet Blue 2.1 / 2.5 mm Special Features: --Special Coating Makes Effective Heat Transfer...
Multi-Layer Lubricated Pcb Backup Board Drilling High Precision Product Details: Application For High Precision and Multi-Layer PCB board Drilling,CCL ...
Lubricated Wathet Blue Multi-Layer For 5G PCB Drilling Backup Board Thickness 2.1 / 2.5 mm Special Features: --Special Coating Makes Effective Heat .....