Shandong Ruiyu Battery Co., Ltd. was established in 1980 and is one of the specialized companies in manufacturing automobile start lead-acid batteries. Along with further development, Shandong Ruiyu Battery Co., Ltd. has been transformed as a stock system company since 2001. For many years, we have adhered to the principle of "High quality, high performance, scientific management, quality first, meet clients' requirements, serve society, constant improvement, create famous brand" and develop ourselves by means of technological innovation. Now we have become a modernized enterprise in the field of battery manufacture in China. After more than 20 year's long time and painstaking efforts, Shandong Ruiyu Battery Co., Ltd. has accumulated rich experience from battery design, development to manufacture. Our batteries have surpassed other batteries in service life and