Screen: we supply 3 kinds of screen quality for iPhone 11 Pro Max : Standard / Premium / Refurbished, one by one tested before shipment & with 12 month quality warranty.
Battery: own brand high capacity business battery for iPhone 11 Pro Max : FIXBULL / 3380mAh / UL & UN 38.3 dual certified, safety use and quality guarantee.
Spare Parts: high copy & original quality spare parts for iPhone 11 Pro Max, with best wholesale price.