EcoTech Cellular & Recycling is an established Blackberry only Refurbishment Center as well as a Blackberry only buyer/seller/broker of smartphones. We deal in large inventory and buy and sell typically in lots of 100 to 2000 units per transaction. Bank and Industry References available. We clear transactions in a variety of ways, including wire, escrow, bank guarantee, paypal. We have an established network across the U.S. and China.