ACS期刊大修语言问题

　　ACS期刊大修语言问题。ACS旗下期刊JNP，1小修，2大修，编辑给大修机会。
其中刚提到语言问题时有这么一段话：
The English grammar and syntax are not up to the standard of JNP. Your revised manuscript will be reconsidered after major revision and correction by a scientific writing service. When you submit your revised manuscript you will be REQUIRED to submit certification that it has been corrected by a scientific writing service. The ACS Author Reviewer Resource Center provides information on Language Editing Services at the following web link:

From our experience, the American Journal Experts provide excellent service. Their website is:

这里的“certification”是指润色公司的修改认证吗？有没有虫友碰到过这个情况？是不是一定得找润色公司，才能得到这个所谓的“certification”？
===有问必答===
是的，他们有一些修改公司，另找也可以