I intend to purchase by mail your products, about 1000 bottles, but I have following queries.

我想邮购的你们的产品，约1000瓶，但有以下几个问题。

youdao

Conceptually, e-commerce does not differ from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to supplier via fax.

从概念上讲，电子商务与众所周知的商业服务并无不同，后者的服务包括像电话银行、“邮购”目录，或通过传真向供应商发送采购订单等。

youdao

Customers can obtain product information from the company's printed catalog and can purchase products from the business partners or place direct orders by mail, telephone, or fax.

顾客可以从公司印刷的目录中获得产品信息，并可以从公司伙伴处购买产品或者接通过邮件、电话或者传真直接订购。

youdao