SHENZHEN ALLKEY BATTERY CO., LTD. Is a professional manufacturer of battery research, development, production and market of alkaline battery, super heavy duty battery, 3V-cr lithium batteries, AG-Button alkaline battery, SR-silver oxide battery and NI-MH rechargeable battery. In china we have branch in dongguan and zhong shan city. The company has advanced equipment and strong technique with high-level management which strictly matching ISO9000 and 6S System. There are more than 600 skill employees, with our 90 various high qualities and expertise in the company. We have 18 professional profuction lines which product various kinds of Mn/Zn, alkaline, button cell and Mn/Li battery, a yearly output more than 500 million pieces.