久久久久久久久久久久久久真人-最新中文字幕在线资源-国产成人777777精品综合-一区二区三区四区五区中文字幕-麻豆成人免费在线一区二区-999久久久蜜臀视频最新-精品久久中文字幕巨乳-少妇人妻视频在线看-亚洲av嫩草极品在线观看,日韩有码中文字幕一区八戒,美日韩另类视频,亚洲中文字幕人妻一区二区三区

Brand products ——cold drawing

There’s a long history for the cold-drawn and annealed materials produced by Jianlong Beiman. At present, nearly 100 kinds of products in eight categories can be produced with high dimensional accuracy, small bending and excellent surface quality. Several sets of grinding units and perfect finishing and flaw detection facilities can meet the requirements of "zero defect" delivery of high standard bearing steel and various market demands. The main products are bearing steel, military steel and other high-tech, high value-added products.

Product specifications

Cold drawing: round Ф5mm ~Ф60mm

 Parties 10 mm×10 mm mm×60 mm×60

 Hexagon 8 mm ~60 mm

Polish :Ф10mm ~Ф85mm

Annealing material :Ф10mm ~Ф310mm

Square 60 mm×60 mm mm×220 mm×220