1. Guangxi Yi Yin New Material Factory is located in Yulin Industrial Park, longtan town, Bobai County, with a total investment of1500 million yuan and an area of 2 100 mu.
2. Huaxin Copper Foil Factory produces electrolytic nickel, electrolytic cobalt, nickel sulfate and sulfuric acid. It is one of the three largest manufacturers in electrolytic nickel and is located in Yulin Industrial Park.