Standard: Din914 / Din915 / Din916 Specification: M3-M20 o Pasadyang Material: 35K, 45 #, 40Cr (SAE1045, 5140), SS304, SS316 Produktibong Proseso: Wire baras → magsubo → Acid cleaing → Gumuhit wire → paghubog at ilunsad thread → Heat paggamot → Ibabaw treat → Packing Ibabaw treat: Plain, Black oksido, Blue puting zinc, Yellow sink, Hot lumangoy galvanized, Copper kalupkop, Gold kalupkop, Chromium Plating. Quality Control: Raw materyal siyasatin → proseso sa pagsubaybay → Product test → Packaging check Certification: ISO9001: 2008 Packaging: prod ...