Huaiji County Zhenghua Electrical Equipment Co., Ltd. (formerly named Dibaolong Electric Factory) is a professional manufacturer of high, medium and low grade civil power amplifiers, public broadcasting equipment, radio and professional power amplifiers, and automotive amplifiers. Having more than 10 years of experience in producing amplifiers, our factory is located in Huaichen Town, Huaiji County, Guangdong Province in China and covers an area of 15000 square meters. Our company strictly executes ISO9002 quality standards and "5S" management system, and constantly strengthens...