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Zhengzhou Gou's Electromagnetic Induction Heating Equipment Co., Ltd.
15thn
Henan, China
Produk utama:
15YRSZhengzhou Gou's Electromagnetic Induction Heating Equipment Co., Ltd.

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guide wheel hardness test before quenching
Surface hardness test before quenching. Guide wheel surface hardness HRC-0.
guide wheel hardness test after quenching
Surface hardness test after quenching. Guide wheel surface hardness HRC-55.