We need big quantity iphone for sale in china ..we need competitive price and fast shipping .quantity more than 300 pcs/per month .about sample order , we need 2 pcs .after sample arrived , we will order 10pcs for each order . if they can pass in china custom . we will order more and more please make offer , include shipping cost to china .about sample order and first order . i want do payment by paypal after first 10pcs arrived here. we will change other payment for you .we want a long time supplier .