Shanghai Hengyi Batteries Co., Ltd. is a company which includes research and development, production, trade and certification. In the past five years, company has had a steady rise and soaring sales, which ensure the excellence of the company. In particular, the company's T&E batteries has become a local and overseas well-known brand, which is popular in the global market.Company has passed the ISO9001: 2000 quality management system in 2007. In order to explore the European and American markets better , the company's products have CE certification and SGS environmental test reports of the battery.In the development of new products, in order to meet the needs of different customer base, company launched a strong cost advantage of several products. such as companies' T & E (Tianyi) 'brand batteries, ' da vanci ' (Da Vinci) brand batteries, and 'USA SONY' (the United States Sony)brand batteries products have been successful and well received by domestic and foreign customers.