In the Chinese mobile phone market competition is very fierce.
Look at the following three products, which is a recently released oneplus.
Of which the second is equally good product (but there are still gaps and oneplus).
 In the Chinese mobile phone market competition is very fierce.-86DIGI
With MTK6592 eight-core processor, 1080P, 5.5-inch, ultra-thin 6.8mm, pre-8000000, rear 13 million, CMOS, f/2.0, 2500mAh, Android 4.3.9, NFC, OTG, WLAN hotspots, wireless charging, the price is ¥ 900  in China.