... , 5" ,6" surfact: bright or ele galvanzied common iron nail Our plant produces various nails, including the steel collated nails ... nails, concrete nails, screwed nails, twisted nails, square boat nail, corrugated nails, felt nails, drywall nails, drilling nails, ... . We have built a whole set of effective management system from raw materials procurement, manufacturing, quality control, packaging, ...