Filling with argon as protective gas, Vacuum Argon Arc Welding Chamber is used for welding rare refractory metal such as tantalum, niobium, titanium a...
High vacuum web coater is specially designed equipment for coating aluminium films or oxidant compound films or other metallic films on rolls of any p...
Hola,estimados Senores:
Nuestra empresa es un privado exportador en China y nos dedicamos a exportar mineras y materias primas, unos quimicos inorgan...