All drums are neutral packing.

所有圆桶均为中性包装。

But there are exceptions when neutral packing is required.

但也有例外的时候，中性包装是很必要的。

I'm glad to hear that. By the way, do you accept neutral packing?

这样太好了。顺便问一下，你们接受中性包装吗？

I'm glad to hear that. By the way, do you accept neutral packing?

这样太好了。顺便问一下。你们接受中性包装吗？

Foreign trade in the neutral packing, packing above the need for what?

外贸中的中性包装，包装上面需要有些什么？