Jiangyin JIB-WD Precision Co.,Ltd

JIB-WD has been producing lathed rings for German, South Korean bearing manufacturers since 2002, and we pride ourselves in the quality of our products.

We are a joint venture between China WD BEARINGS & Korea JIB BEARINGS, equipped with Korean high technology & Chinese low labor cost.

We believe that our high-quality rings can help you in reducing the cost in the ring grinding process. Since our quality Insurance includes:

1.       ISO9001 quality control system;

2.       Advanced inspection devices including not only normal inspecting devices, but also profile, projection, end-measuring machines, magnetic crack-detector, etc;

3.       Strict control on the raw material, including hardness and microstructure analysis. The raw material control is done on every lot, and can be tracked from our record.

4.         Special heat treatment process is available. Super-frequency anneal is adopted in the inductive heat on the inner ring of unit ball bearings, and then 100% torque testing with a norm of tensile strength same as NSK.

  Production range: rings for deep groove ball bearing, unit ball bearings, angular contact ball bearings, wheel hub bearings, etc.  From size 10mm I.D to 300mm O.D.
  Production Capability：500, 000 sets per month. Our equipments including 3 connected production lines from Korea (for size 210-218);

1 cold rolling line made in Japan (for size 210-212 outer rings); 4 sets of CNC lathers, around 100 sets of domestic bench lathers and automatic hydraulic lathers.
  For more general information about JIB-WD Precision, please kindly direct your enquiries to us.