QUALITY GRADES CLASSIFIED BY MATERIALS AND FACTORY TYPES

QUALITY DEFINITION
OEM NEW ORIGINAL and NEW from OEM factory
OEM USED ORIGINAL but USED already, torn down from used/new devices
OEM REFURB REFURBISHED NEW from ORIGINAL USED parts by replacing, cleaning, oxidation, polishing, etc. procedures
S+ GRADE ORIGINAL materials and assembled by 3rd-party
AA GRADE MIXED ORIGINAL and COMPATIBLE materials and assembled by 3rd-party factory
A+ GRADE COMPATIBLE materials and assembled by 3rd-party factory

We sell only A+ Grade Product