求翻译：以下企业是该名单中国际上有实力的Corrosion Control Companies的简单情况。当然已知的个别已进入KOC供应商名录或在海湾国家设立办事处的被剔除在外。是什么意思？

The following enterprises are the list of international strength of the simple case of corrosion control companies. Of course, the known individual has entered the koc Suppliers or to set up offices in the Gulf countries are excluded.

Following is the list of enterprises in the international strength of the simple case of Corrosion Control Companies. Known individual of course have access to KOC suppliers directory or in the establishment of an Office for the Gulf States were excluded.