https://china-yuheng.com/product/the-multi-composite-rare-earth-tungsten-welding-electrode
The Multi-composite Rare-earth Tungsten Welding Electrode - SHAANXI YUHENG TUNGSTEN & MOLYBDENUM...
Shaanxi Yuheng is specilized in Tungsten,Molybdenum and Titanium products.
rare earthwelding electrodemulticomposite