I only asked for some samples of OPP bags to be sent by post in an envelope to our company.I do not think you need a freighter or express company for that.

• 我一个客户居然要我把样品放在信封里；给他记过往..这样他倒是占便宜了；没出一分钱就拿到货了..大家说能记吗?我们做塑料袋的.原文如下...