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 ...