NingBo ZhenHai Guisi Zhaoyang Hardware Screw Factory
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Mr.Fang
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+86-13806639241
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+86-574-86574666
- Material: carbon steel; Specifications: M5-M24; Length: 20mm~250mm;Surface treatment: nature, black, galvanized, rohs, hot galvanized, dacromet; Grade: 4.8~12.9