ed 3. Fabrication: 3pe, black and color painting, anti-rust oil, varnish painting, zinc-coating, steel stamp, drilling, diameter reducing etc. 4. Certification: bv, iaf, sgs, coc, iso etc. 5. Welding technology: Ssaw (spiral submerged arc welding), Dsaw (double submerged arc welding. 6. Application: fluid transfer, water and gas piping, building structure, Agriculture equipment etc. 7. Packing: packing in bundle with steel strips; with seaworthy package at the end; could be done with your requirement. 8. Delivery time: usually within 10-30 days after receipt of deposit, asap 9. Trade terms: fob, cfr, cif etc. 10. Payment terms: t/t, l/c etc. 11. Loading port: xingang , tianjin 12. Original place: tianjin, china 13. Company information A) name: reliance metal resource co., ltd B) type: manufacture and trading company C) supply ability: 108, 000 tons per year Packing in bundle with steel strips; with seaworthy package at the end; could be done with your requirement for large diameter spiral steel pipe on sale