... Quality Control:Every parts tested with special instruments or main boards before delivery to ensure working. ... 2-4days by DHL, UPS, TNT, EMS, or By Air8). Warranty:Usually, product warrantees last ... Samples:Our company offers samples for quality test or other business purposes, but we kindly ask ... please leave your name and contact details, eg. email, MSN, Skype, telephone number etc. We will contact ...