Color de plastico: Rojo, Verde, Amarillo, Azul, Purpular. Color de la LED Luz: Blanco, 50PCS/cajita interna de papel color. 1000pcs/caja exterior. Pes...
Filling with argon as protective gas, Vacuum Argon Arc Welding Chamber is used for welding rare refractory metal such as tantalum, niobium, titanium a...