Other components like touch panel, frame(hot pressed), backlight, polarize lens, and OCA is all copy from different factories. It is better than After Market Basic cause it comes with original laminated flexes and the LCD panel. No doubt, the other components on the screen are all copy. By comparing the brightness and sharpness of the LCD, we found JK is the best quality among them and the second best is AUO. Typically, the LCD screen is from several different factories, the most popular 4 on China market are JK,AUO, LongTeng, and ShenChao. It has sustainable supplying chain in China, and all the components of the screen are copy quality. It is with widely accept major complaint replacements for original parts, which keeps a right balance between price and quality. The following is the full details of each condition. In Union Repair store, we grade our iPhone screen into 5 different types of quality on the basis of different material assembled.