Description 1. Standard: din 444 2. Heat treatment: yes 3. Origin: ningbo 4. Trademark: sd 5. Packing: small box, bulk cartons/pallet and gunny bag 6. Customized drawings are accepted Features 1. Materials: carbon steel 2. Surface finish: zinc, black oxidation, hot-dip galvanized, nickel and chromed 3. Customized drawings are accepted Specification 1. Model: din 444 2. Customized drawings are accepted Competitive advantages 1. Top quality control 2. Competitive price 3. Various of design 4. Oem accepted 5. Customer's design and logo are welcome