Sell Tungsten iron

Description

Note:
1., tungsten, iron must be measured element is W, C, P, S, Si, Mn of the content, and the remaining to ensure that elements;
     2, tungsten iron to *0% of the amount of tungsten as a baseline;
     3, the demand side of the table column elements, if there are special requirements, by both supply and demand to be negotiated;
     4 the tungsten iron massive delivery block surface should be smooth, no significant cross-section and the surface of non-metallic inclusions