Zhejiang Wolong Dengta Power Source Co., Ltd is of strong design and development capabilities with more than 50 years experience of manufacturing lead-acid battery. The scale of enterprise and comprehensive economic indexes has been in the top of the national battery industry.

The company relies on scientific and technological progress to promote the sustainable development of enterprise. It imported the manufacturing technology of stationary valve-controlling sealing lead-acid battery of Swiss OERLIKON Co., besides, it imported advanced production equipments form USA, Britain, Italy, Switzerland, etc., and a whole set testing equipment of Germany Dikalong Co., which has formed an annual 600 million productive capacity of stationary valve-controlling sealing lead-acid battery. After the technical transformation project of Paojiang 900, 000 KVAH valve-controlling battery put into production, the production value will reach 1.5 billion. In 2008, the company has been identified as the first batch of high-tech enterprises in Zhejiang Province, and the products have been evaluated as national new products in 1999, which are widely used in the field of Communication, Electricity, Railway and Computer Systems and etc.

Dengta Power source Co. Ltd. is the main production base of Emerson battery, meantime, is the production base of OERLIKON battery in China. The company passed ISO9002: 1994 Quality System Certification in 1996, ISO9001: 2000 Quality System Certification in 2003 and ISO14000, OHSAS18000 and UL Certification in 2006. The "Dengta" stationary valve-controlling sealing lead-acid battery obtained the Theil Certification appointed by Information Industry Department and network certificate of National Broad Electricity Bureau. The products passed the tests required by the state authority department including Information Industry Department and Power System Department. The company is also a member of the participators of drafting the national standards and communication standards on battery.