Huanyu Power Source Co., Ltd was founded in 1982. Huanyu is one of the biggest secondary battery manufacturer and the leader of the battery. We have the biggest Ni-based battery production line and advanced roboticized Li-battery production line. We attained our certification for ISO9001:2000 in 2001, and certification for ISO14001 in 2002. We also have certification for UL and CE. Our batterys are being well sold to Europe, Asia, America and many other countries.As a high-tech enterprise, Huanyu Group produces all standard and customized Nickel-based, Li-ion and Lead-acid rechargeable batteries. Its products are widely used in such applications as mobile communication products, notebook computers, PDA, MP3, MP4, DVD, digital cameras, wireless phones, walk-talkers, electric toys and power tools.