... : 110,E300,E500,E500s,E700, M300,M700, V300For HP Compaq Notebook PC:6720s,6820s,6520s Advantages 1. 10years professional factory, ISO9001: 2008 ... . Grade A quality, 100% brand new electronic components; good quality PC+ABS fireproofing raw material 6.100% full load burning test ...