Customized PU Coated Simple Tyvek Environmental Backpacks Black and white in stock, super light, soft bags, easy to carrySize: Customized.Pattern: Customized.MOQ: 300pcs
Pure tungsten Plate On the basis of powder metallurgy, through forging combined with rolling process, the temperature reduction forging or rolling deformation can be controlled in sequence. The tungsten plate can be plastic processed with large amount of