欧洲精品乱码久久久久蜜桃,72式性无遮挡在线观看视频,夜夜操夜夜干,一区二区三区在线免费观看,色91av,欧美激情片一区二区,91cn国产在线

The wire 50BV30 for hand tools obtained the quality certificate of Gold Cup Quality Products for Metallurgical Products
  Updatetime:2019-05-05 Hits:

  Recently, China Iron and Steel Industry Association held the 2019 annual meeting on brand cultivation of iron and steel industry. During the meeting, the metallurgical products which meet the requirements in brand cultivation of metallurgical products and reach the international level of similar products were named as “Gold Cup Quality Products for Metallurgical Products”. The φ22-40mm wire 50BV30 for hand tools of our company obtained the quality certificate of Gold Cup Quality Products for Metallurgical Products.

  The wire 50BV30 is a common material used in the production of automobiles, bicycles, motorcycles and various socket wrenches for construction machinery. It has the characteristics of steady chemical composition, low inclusion and gas content, good structure uniformity and good surface quality. This kind of wire shared 50% of domestic market.