求翻译：截止昨天，仅有一家公司报出价格，但由于法兰材质问题，今天重新报价。但这个报价的材料仍可能无法完全保证符合招标书的BS 1503-161 Grade B的要求。是什么意思？

As of yesterday, only one company quoted a price, but due to the flange material, re-offer. Materials, but this offer may still be unable to fully guarantee the requirements of the tender bs 1503-161 grade b.

Until yesterday, there is only one company reported that the price, but since flange material questions, today re-quote. However, this quote is still the material may not be able to fully ensure compliance with the tender BS Grade B 1503 - 161.

Closure yesterday, only some company sent out the price, but as a result of the flange material quality question, quotes price today.But this quoted price material possibly was still unable to guarantee completely conformed to the tender book BS 1503-161 Grade B requirement.

As of yesterday, only one company offer price, but due to flange material problems, quotes again today. But the offer of material still may not be able to guarantee fully met the requirements of BS 1503-161 Grade b tender.