We have made and sold Seal Lead Acid battery more than 15 years. From 2001 we start Telecom and Solar battery. We have our own brand TOPIN and also make some OEM brand . For solar cell usually we will give Gel type or AGM_Gel type. we are designing our own special jump starter (1/3 size than the Conventional one) which will be produced next month as per the schedule. Besides, Now we have produced our new product, spiral wound battery.