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Jinan  Zhongwei  Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 17 Years focus on development and production of grinding media
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Jinan  Zhongwei  Casting And Forging Grinding Ball Co.,Ltd Quality Info

Jinan  Zhongwei  Casting And Forging Grinding Ball Co.,Ltd
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Jinan  Zhongwei  Casting And Forging Grinding Ball Co.,Ltd

All the raw material-steel rods are produced by reputable large scale steel mills. We can also arrange special 

processing for different requirements of the steel raw material . We use an electric furnace to heat the raw

 material, in order to make sure all the materials can reach the correct temperature and reduce unnecessary

 loss during heating .

To obtain high hardness,strength,toughness and superior wear resistance ,the forged steel balls undergo heat 

treatment, water quenching, and tempering.

During the heat treatment, we use advanced Isothermal temperature control technology, to insure the uniformity

 of the hardness of the grinding balls .

Jinan Zhongwei welcome any third party test

 

 

Company Certifications

Standard:ISO9001:2008
Number: 10413Q20265ROS
Issued By:Shandong Seatone Quality Certification CO,.Ltd
Standard:ISO14001:2004
Number: 10414E10428ROS
Issued By:Shandong Seatone Quality Certification CO,.Ltd
Standard:OHSOS18001:2007
Number: 10414S20335ROS
Issued By:Shandong Seatone Quality Certification CO,.Ltd
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