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Bimetal thermal hammer1 We ,Zhili Industry had Passed the ISO9001: 2000 certificate. With the whole intellectual property of all full-lines products,We are specialized in R & D of wear resistant materials and anti-wear technology, and the design, manufacture and sales of wear-resistant products.2. Perfect finishing and appearance. 3.China Patent No. 200810049101.2 ---4.Bimetal thermal-composite material. 5.High-effect of anti-friction, good safety performance & long service.its cost performance is obvious. Designation Hardness of work site (HRC)Cr15 50-60Cr20 55-64Cr26 60-68
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