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1.Chemical Composition: C 0.72-0.82, Si 0.17-0.37, Mn 0.7-0.8, S ≤0.035, P ≤0.035 , Cr 0.28-0.6

2.Surface Hardness: 56-65

  Hardness of Heart: 40-64

3.Impact Toughness:≥12

4.Breakage:<1%

5.Certificate:ISO 9001, ISO14001, OHSAS18001

6.It’s our honor to introduce our company:

Zhangqiu Heavy Forging Co.,Ltd is a professional grinding medias manufacturer. It covers an area of 350,000 square meters and own more than 1200 staff. The main products are forged steel balls,cast steel balls,cylpebs,grinding rods,grinding liners etc. The annual output is 100,000 tons.

7.Our advantages:

1).Professional production workers with more than 22 years’ experience on grinding balls

2).Advanced automatic production lines with high efficiency

3).Complete quality control and up-to-date testing device

4).Most competitive price is the base of long-term cooperation

5).Professional service team with more than 10 years’ experience on international trade

8.Insisting on “Survive with Innovation,Develop by Hard-Working”,we always do our best to serve customers with “The most competitive price,Best Quality,Timely Delivery and Best Service”, to be solid production base for customers.