求翻译：另外，还与4家与KOC预审名单厂品的制造商联系，试图找到有实力的制造商。但其中一家已有科威特独家代理（苏州道森石油钻采设备公司），另三家业绩不好。仅有Zhangjiagang Chemical Machinery Co.,Ltd(ZCM)张家港化工机械公司较为理想。是什么意思？

In addition, 4 with koc prequalification list, contact the manufacturer of factory goods, trying to find the strength of manufacturers. But an existing Kuwait sole agent (Suzhou Dawson oil drilling equipment company), and another three of its poor performance. Only the the zhangjiagang chemical mach

In addition, with the 4 pre-KOC list contact the manufacturer and factory in an attempt to find a strength of the manufacturer. But one of the Kuwait's home has exclusive agents (Suzhou Dawson oil drilling equipment Co. , Ltd. ) and the other 3 is a poor performance. There are only Zhangjiagang Chem

Moreover, but also with 4 and the KOC preliminary hearing name list factory manufacturer relation, attempts to find has the strength manufacturer.But had the Kuwaiti sole agent (the Suzhou Dawson petroleum to drill picks equipment company), another three achievements are not good.Only has Zhangjiaga

In addition, also with 4 link with KOC pretrial lists of factory goods manufacturers, trying to find a strength of the manufacturer. But one has Kuwait exclusive agents (forest oil drilling equipment companies Suzhou road), and the other three poor performance. Only Zhangjiagang Chemical Machinery C