Product Description 1. Material of barrel and screw set: Nitriding treatment, Chrome-coating 2. Surface hardness: HV≥ 900 Nitriding depth: 0.5-0.8mm.
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NINGBO LIGHT INDUSTRY MACHINERY & EQUIPMENT IMP. & EXP. CO., LTD.VIP会员第12年
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Product Description 1. Material of barrel and screw set: Nitriding treatment, Chrome-coating 2. Surface hardness: HV≥ 900 Nitriding depth: 0.5-0.8mm.
