Shenzhen Hongyang Battery Co., Ltd. is a company specializing in the production and operation of lithium batteries and lithium button batteries. Facing the environmental protection cause of the 21st century, Hongyang has comprehensively implemented the concept of environmental protection in China and introduced a series of "HL" button batteries. In recent years, through digestion and absorption of advanced battery manufacturing technology imported from abroad and continuous innovation, the discharge performance, storage performance and international advanced level of red-cell are kept. In order to be in line with the international standards as soon as possible, Hongyang has established a set of battery product research and development process and material certification system since its establishment. The establishment of internal control quality standards to meet customer needs, strict process management and quality inspection, fully guaranteed the excellent quality and more durable endurance of red-sun batteries.