I've had no reply though 
I have an opinion that the сhinese tend not to answer. Ancient big culture implies an understanding of signs: if they do not respond, then they do not want.

But perseverance in their culture commands respect. Try ones more.

I may be wrong, but I had to repeat the question 2-3 times to get an answer.
Try to find this manufacturer on LCSC.
Well, we have a Chinese guy here who won't refuse to help.
