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Haiyan Hongrun Fastener Co., Ltd.
海盐宏润紧固件有限公司
Premium Supplier
11 Years
Main Products
Flange Bolts
Wheel Bolts
Seat Belt Screws
High Strength Steam Friction Fastener
Non-standard Fasteners
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Hexagon flange bolts
grade, rigidity
Grade 8.8 (HRC22~34)
Coating
zinc plated color
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