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 1,000 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 No Lead added Zinc Chloride Battery, Ni-MH Rechargeable Batteries, Lithium Coin, Mercury & Cadmium Free Alkaline Battery and Button Cell. All welcomed by customers from all around the world. The maximum production capacity of present facilities is estimated at 1.8 billion units