From today I like to share some useful idioms in business with Chinese in following weeks, I 'm sure you'll gain more orders if you can use it smoothly
Zhōng guò rén cháng shuō Wáng pò mài guā zì mài zì kuā kě shì jīn tiān wǒ shì
中 国 人 常 说，“王 婆 卖 瓜，自 卖 自 夸”，可 是 今 天 我 是
chéng chéng shí shí dì qī dài hé Wáng xiáo jiě hé zuò ěr qiě yǒu yī shuō yī
诚 诚 实 实地期 待 和 王 小 姐 合 作，而 且 有 一 说 一……
(……There is a saying in China, every potter praises his pot, but today , I really expect to do business with Ms
Wang and be honest with you about our business……)
Explanation
》 Wáng pó mài guā zì mài zì kuā
王 婆 卖 瓜 ，自 卖 自 夸 : The idiom means literally Mrs Wang is as selling(melon) as boasting.
It has similar meaning of “every potter praises his pot”.
》 Yǒu yī shuō yī
有 一 说 一: calling a spade a spade, never overstate or lie.