Taking the opportunity, we would like to inform that we can supply the Mobile phone date cable ,GSM SIM Card Reader ,Li-Polymer Battery Pack & Palm Data Cable to you and your company. For meeting your requirement, could you please kindly advise if you have any idea or target price for these products? What is the quantity you need for the initial order? Are you purchasing these items from other company right now? We will send you a sample for internal evaluation as soon as receiving your comments. We believe our service can really assist your company and production. Please feel free to contact with us if you have any further instruction or question. Look forward to heraing from you and offering our best service to you and your compan in the near future. Wish you have a nice day!