Shenzhen Hongji Dingxin Industrial Limited, part of Dingxin Group, the Ministry evidence central strategic partner, the only visual evidence of Chinese industry, science and technology innovation business model, is China's leading high-definition hearing, digital hearing (interrogation) ** electrical solutions provider. Based on the special needs of our public, prosecutors, law, the Secretary and other users of continuous innovation, and always adhere to the principles of Evidence, in audio and video coding compression, storage, webcasting, light rail encrypted synchronization straight carved art data security, fault isolation established leader. With judicial synchronous recording technology unique advantages, DingXin has become the "Sunshine Project", "Kejiqiangjian", "Golden Shield Project" leader of the most powerful brands. Meanwhile DingXin products were passed the Ministry of Public Security expert review scientific and technological achievements, the Ministry of Public Security and ** Electronic Products Quality Inspection Center, SPP