There are many factories around the world that manufacture standard potential anode. Some popular manufacturers of standard potential anode include Guangdong Kerui Sheng Intelligent Equipment Co., Ltd.,Guangdong Kerui Sheng Intelligent Equipment Co., Ltd.,Guangdong Kerui Sheng Intelligent Equipment Co., Ltd.,Dongguang Hengfu Roll Forming Machine Co., Ltd.,Dongguang Hengfu Roll Forming Machine Co., Ltd.. There are also many other smaller manufacturers and specialized companies that produce standard potential anode for specific industries or applications.