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Ruian Fengtai Standard Co., Ltd.
瑞安市峰泰标准件有限公司
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13 Years
Main Products
Heavy clamps
Shaft retaining rings
Lock washers
Teeth washers
Lock washers
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(Q 397)
material
High-carbon steel
Coating
zinc plated color
材料：65Mn,热处理硬度HRC42-48，表面氧化处理
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