The Sony Xperia Z4 (E6533) has passed through TENAA, the telecoms regulator in China, pretty much confirming that the device will land in the region. Whether it will be marketed as the Z4 or Z3+ remains to be seen.
This particular variant has support for TD-LTE band, to support the Chinese carriers. Specifications listed on the certification confirm this model has a 5.2-inch 1080p display (no QHD resolution here), Snapdragon 810 chipset, 3GB RAM, 32GB internal storage, dimensions of 146.3 x 71.9 x 6.9 mm and a weight of 143 grams.
Xperia Z4 (E6533) certified by TENAA