Shanghai cnpc powder material co.,ltdTin powder,cobalt powder, lead powder, iron powder,silicon powder,zinc powder,etc and some nonmetal powder such as silica quartz powder, mica powder, silicon dioxide and so on, which are used for powder metallurgy, diamond tools,hard metals, magnets, w
Cnpc powder ,as a part of cnpc (china national petroleum corp), specializes in kinds of powdery materials, is a high & new tech enterprise mainly engaged in the research & development, manufacturing and marketing.
