这么久才回我英语

Sorry, so long to respond. This material is the yunnan requires us to ask you confirm color arch.

Sorry, so long to respond. This material is the yunnan requires us to ask you confirm color arch.祝您愉快~~

Sorry for keeping you waiting for so long（for my response） ,the material we sent you,originally from Yunan,is required to confirm the colour.此句有点难度，个人水平有限，仅供参考

I apologize for replying you so late.

I am sorry that I don't write back to you until now

Sorry to reply you so late.This information is for you to confirm the colour as Yunnan request.