2014年(381)
发布时间:2014-07-03 20:59:10
http://www.thermostat-gb.com/products-show.asp?cpid=73......【阅读全文】
发布时间:2014-06-25 20:49:58
http://www.skystarbags.com/products-detail.asp?cpid=89......【阅读全文】
发布时间:2014-06-20 19:57:57
Flexural strength "Solid carbide drills" with high and very good wear resistance, high hardness, wear resistance, strength and toughness, heat resistance, corrosion resistance and a series of excellent performance tungsten steel, "Solid carbide drills"is a major composition of the powder produ.........【阅读全文】