Shenzhen ERZ Technology Co., Ltd was established in 2009, we are a high tech enterprise with R & D, production, sales service by ourselves. We specialized in manufacturing high quality and innovative power bank, external battery charger, backup battery for iPhone/iPod/smart phones/other digital products. We have a qualified R&D, producation and management team, strong technical force, complete producation and testing equipments, perfect quality control system and scientific management system, which promise our products excellent performance and stable quality. All products have been passed CE, RoHS, FCC certificates. We have built-up perfect and complete re-sales & after-sales service covering major cities in domestic market, also established long-term cooperation relationships with big brands display stores. Besides, our company has been authorized by ZTE as their sole distributor for 3G USB modem products in China. We are also authorized agent of IBM, Oracle, Cisco. Meanwhile, we have good cooperation relations with China Mobile, China Unicom, China Telecom, Mobile phone suppliers, IT channel agents and Communication Systems Integrators. Our company regards "Honesty, high-quality, reasonable prices and satisfactory after-sales service" as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us.