1、我想买500克铁观音。

l'd like to buy 500g Tieguanyin tea.

2、有更好的吗？

Do you have any better one?

3、有包装更精美的吗？

Do you have any other one with more attractive package?

4、我回国送礼用。你能为我参谋一下吗？

l want to find some gifts for my friends in my country.Could you please give me some suggestion?

5、这茶很好，我打算买些自己喝，有简易包装的吗？

The tea is pretty good. l'd like to buy some for myself, Do you have any simple packaging one?

6、这是著名品牌的茶叶。

This is the famous brand tea.

7、这是经过严格认证的有机茶。

This organic tea has passed the strict certification and evaluation procedures.

8、这种茶叶香气特别高，很适合你。

This organic tea has passed the strict certifcation and evaluation procedures.

9、我们这里的商品都是经过QS认证的，你尽管放心购买。

All the products here have passed the QS Certification, which make you rest assured.

10、这是历史上的贡茶。过去皇室才能喝到。

AS the tribute tea in history, only the royal family had the chance to drink them in the past.