Chung Pak was found in 1980. Its head office is based in Hong Kong, with one factory site in Mainland China located in Shunde, Guangdong, employing a total of approximately 1,200 professionals.
Started as being a battery manufacturer, Chung Pak is now developed to have diversified of paper separator, Zinc material, metal plastic parts and tools manufacturing in addition to the core battery manufacturing business.

To date, Chung Pak Battery Works Limited is one of the major battery manufacturers in Hong Kong. It offers brands of Vinnic, including 0% Mercury Alkaline Cylindrical Battery Series, 0% Lead Added Zinc Chloride Battery, Primary Button Cell, Lithium Button Cell and Ni-MH Rechargeable Batteries. All welcomed by customers from all around the world. The maximum production capacity of present facilities is estimated at 1.8 billion units.