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China 20mnv DIN22252 Mine Chain Manufacture 18X64 Calibrated Hoist Chain Mining Chain connecting link roller chain
Merchandise Description Specification: 1. Content: alloy metal, 20Mn2 2. Standard: DIN22252 3. Dimension: ten-48mm 4. Floor: Black, Self color 5. Break load: one hundred ten-2900KN 6. Package: Iron drum, wood box, woven bag seven.…
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