人人妻人人爽日日人人,被灌满精子的五个女校花,亚洲av永久精品无码桃色,久久久综合精品一区二区三区

Brand product---- Bearing Steel

Jianlong Beiman is one of the earliest production bases of bearing steel in China，and has been producing bearing steel for nearly 70 years since 1957. The products have been certified by SKF of Sweden, Timken of America, Schaeffler (Luk/INA/FAG) of Germany, NBC of India and Regal of America, Jianlong Beiman has become the important supplier for above international well-known enterprises company.

The bearing steel of Jianlong Beiman is with high quality, such as high purity, oxygen content≤5ppm, Titanium content≤15ppm, and the quality of micro inclusions has reached the first-class level in China. Now it has become a production base of high Carbon Chromium Bearing steel, medium Carbon Bearing steel and Carburized Bearing steel with series production of hot rolled products, forged products, wire rods and continuous casting billets, with various delivery conditions (hot rolled black surface, two deformed process, polished materials, annealed materials, etc.). The products are widely used in high-end industries such as long-life and high reliability automobile bearings and bearing units, railway freight truck bearings, high-power wind turbine bearings, large metallurgical equipment bearings, large construction machinery bearings, precision bearings, military bearings, etc.

Size range:

Hot rolled：Ф20mm～Ф250mm

Forged：Ф100mm～Ф450mm

Cold drawn：

round  Ф6mm～Ф60mm

Square 10mm～60mm

Hexagons 8mm～60mm

Wire rod：Ф5mm～Ф25mm