PLAIN, ZINC, YELLOW ZINC, HOT DIP GALVANIZED, BLACK etc.
GRADE: 4.8 6.8 8.8 12.9
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Handan Zhengxin Good Fastener Manufacture企业会员第10年
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PLAIN, ZINC, YELLOW ZINC, HOT DIP GALVANIZED, BLACK etc.
GRADE: 4.8 6.8 8.8 12.9