Standard: Din914 / Din915 / Din916 Specification: M3-M20 an Material Custom: 35K, 45 #, 40Cr (SAE1045, 5140), SS304, SS316 pêvajoya hilberînê: rod Wire → Anneal → Acid cleaing → wire Draw → nifşî û bi kişandina Mijara bi → tedawî Heat → Surface treat → tê de biperçiqîne, Surface: Plain, oxide Reş, Şîn zinc spî, zinc Yellow, dip Hot galvanized, plating sifir, plating Gold, Chromium plating. Quality Control: maddî Raw vêkolîna → pêvajoya şopandinê → test Product → Packaging check Certification: ISO9001: 2008 Packaging: prod ...