2 sentences

1. 请允许我向您致以最崇高的敬意。

   qǐng yǔn​xǔ wǒ xiàng nín zhì​yǐ zuì chóng​gāo de jìng​yì.

   Please allow me to pay you my highest respects.

   Source: Dong Chinese Dictionary

2. 谨代表全体员工向您致以诚挚的问候。

   jǐn dài​biǎo quán​tǐ yuán​gōng xiàng nín zhì​yǐ chéng​zhì de wèn​hòu.

   On behalf of all employees, I would like to extend sincere greetings to you.

   Source: Dong Chinese Dictionary