Not that confusing. Most of their steel wasn't great to begin with and they have little incentive to provide better for exports. Whether through ignorance or uncaring doesn't matter. If the specs don't call it out, or the agreed QC doesn't insure it, then they use or do whatever to 'get the job done.' I see this all the time. People in charge who beleive everything can be done by contract and specs. The only way to make that work is with an organization with the skills and knowledge to cover every little detail, and then enforce it (and maybe reward it too). In reality its often better just to hire someone who knows what they are doing.