Modern enterprises are popular use metal containers, metal desk, and in line with the computer, fax machines, photocopiers, etc a variety of business machines, 。。
Stainless steel is in the air or chemical corrosion medium can resist the corrosion of a high alloy steel, stainless steel is beautiful surface and has good cor。。
Mold maintenance and maintenance of the mentioned, will be immediately flashed a concept in the minds of many die cast operator that is that of repair work, and。。
香港马报资枓大全The chemical property of copper alloy in metal zipper is the chemical reaction of acid, alkali, oxidant or reducing agent, and it is easy to change the color of..
 overview A metal material is a general designation of a material consisting of a metal element or a metal element. Including pure metals, alloys, metal mat..
- Gold (silver) (1) classification: Gold (silver) according to the different material is divided into two categories, one is homogeneous materials of gold (si..