Huanyu Power Source Co, Ltd., is a leading secondary battery manufacturer in China. The company commenced manufacturing secondary battery in 1982. Since that time manufacturing plants have expanded to Shenzhen, Donguan and South Korea. Total factory area ranges from 3000 square meters to 175,000 square meters. The product range extends from raw material of Nickel Cadmium through to completed batteries and cells in a myriad of designs and specifications. The scope of products we manufacture fall into 5 categories: Ni-CD batteries, Ni-MH batteries, Valve Regulated Lead Acid batteries (VRLA), Li-ion batteries and Lithium Polymer batteries. Productivity to date is well in excess of 2,000,000 VAH. The company's rapid growth in the portable power market is largely due to an efficient and dedicated workforce of 10000 employees'. The enthusiastic team of professionals at Huanyu comprises of 120 R&D engineers and technicians of which 18 Masters of Science and in excess of 75 Bachelors and college graduates. Our high standard of quality is maintained by 300 highly trained QC officers, all supporting 100 sales executives who have a strong emphasis on customer service.