翻译一句话变成英语

1. Very glad to receive your reply. I am very sorry that we don't have any stock of products above 85% purity.

什么含量

真难。。

i am glade with your letter, unfortunately,there aren't any goods at present

I'm very glad to receive your reply,but I regret to notify you that stocks with content higher than 85% are in short supply.

Thank you for your reply,but I am so sorry that the goods which the content above 85% is out of stock.