Transtar shows some of their latest tablets based on MT8382 for 3G and Qualcomm MSM8926 for LTE. They also do Intel x86.

You can contact Transtar here:
Shenzhen Transtar Technology Co Ltd
Tina Lau, Overseas Sales Manager
sales-002@transtartech.cn
Mobile: +86 13421842748
Phone: +86 755 86338295 ext.8013
Skype: tinaliu1003
http://www.transtartech.cn