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The product name: Cutting pick?Coal winning machine cutting tooth.Model:U170JMGProduct features:1.Cutter body use special alloy structural steel,Website:http://www.qianruidrill.com, high hardenability, good tenacity, it shaped little when hardened fire, and it also have high creeping strength and lasting strength under high temperature.2. Cutter’s alloy head use special hard rock alloy( patent), outside structure use coronary step type(patent), it can protect the body’s abrasive resistance efficiently.3.The No spark of wear–resisting layer is Cladded on the Matrix’s tooth end, and its surface