求翻译：我们正在转型升级为有限公司，在转型没有完成前，环保局不给我们更换新的证件，但是出了证明给我们，原证件虽然到期了，仍然可以使用，等到转型升级完成后就会换发证的证件。是什么意思？

We are restructuring and upgrading as a limited company, the transformation is not completed, EPA does not give us the replacement of the documents, but out to prove to us, although the maturity of the original documents can still be used until the transition will change after the upgrade is complet

We are in the process of transition in the countries in transition, and upgraded to a limited has not been completed, the Department of Environmental Protection is not to replace them with new documents, but we have to prove that the original documents, although we can still use the Expiry Date, wai

We were reforming promote as the limited company front, has not completed in reforming, the environmental protection bureau does not replace the new credential for us, but issued the certificate to give us, although the original credential had expired, still might use, after when the reforming promo

We are upgrading as a limited company, the transition without prior to the completion of EPA documents that do not give us new, but has proved to us, although the original documents has expired, you can still use, wait until the transition would be renewal of documents after the upgrade is complete.

We are making the transition and upgrading to limited company, before make the transition and has not finished ing, the Environmental Protection Agency does not change the new certificate for us, but appearing proves to us, though original certificate has expired, can still use, waiting until the tr