W-Cu Contacts for vacuum application CuW contact materials have low chopping value, high anti-arc ablation and excellent breaking performance. The materials are widely used in low and medium voltage vacuum contactor and vacuum load switch. We have built a
* Disposable Face Mask Advantages: 3 layers of filtration, no odor, anti-allergic materials, sanitary packaging, good breathability.* Sanitary mask effectively prevent inhalation of dust, pollen, hair, flu, germ, etc. Suitable for daily cleaning, allergic
Equipment Class 1.Class A: Have the basic ability of evacuation training function from one side on land. 2.Class B: Have the basic ability of evacuation training function from two sides on land. 3.Class C: Have the basic ability of evacuation training fun
6 layers Rigid PCB for transformer power supply with Special process (The surface layer is covered with heat conduction material with thickness of 0.3mm), Minimum drill hole:0.25mm, Width/space:0.2/0.135mm