激情六月丁香婷婷,独臂刀客22集高清完整版在线观看,丁香深爱五月,亚洲美女高潮久久久,重生之炉鼎未删减完整版在线观看免费,韩国三级在线最新未删减,免费看黄色电影

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.