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09-05-2025
Jinan Haoyang casting and forging B2 material forging steel ball-measurement of impact resistance life increased by 37

Jinan Haoyang casting and forging B2 material forging steel ball through the national materials testing center certification - measured impact resistance life increased by 37

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Jinan Haoyang casting and forging B2 material forging steel ball-measurement of impact resistance life increased by 37