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Thôn Quý Dương, Xã Tân Trường, Huyện Cẩm Giàng, Tỉnh Hải Dương, Việt Nam
COUPLER.,LTD
Connection than Steel
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High Strength Bolt
ASTM F3125/F1325M (A325/A490)
High Strength Bolt EN 14399-1(1-10)
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Hexagon Bolt (B.Lông lục giác)
Half thread DIN 931
Half thread ISO 4014
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Hexagon Nut ISO 4032
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Spring Washer DIN 127
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Spring Washer DIN 127
Vòng đệm vênh DIN 127
