Question

请帮忙翻译这段话，谢谢！

我大概知道它们的制造商，但是我还不确定。您能帮我联系一下吗？

Answer 1

I probably know its manufacturer, but i'm not sure. Can you connect the manufacturer for me ?

Answer 2

I know their manufacturer in principle but I am not sure.Could you contact with them for me?

Answer 3

I knew something about their manufacturer, but I am not sure about it. Could you do us a favor to contact them?

Answer 4

I probably know their manufacturer,but I'm not sure.Would you please help me contact with them?

有什么不对了请大家一起指教