As a professional manufacturer of digital voice recorder,Shanghai Huange Investment Co.,Ltdfounded in 2015 and headquartered in Changqing Industrial Park in Minhang District in Shanghai, integrating research&development, production and sales, and our products covering digital audio and video recorders, music players, headsets, laser pointers and intelligent audio products and lamps,etc.Our products are independently developed by our professional R&D team, and have been constantly updated and upgraded to meet various growing market needs, so that our products have been keeping the fashion trend. Please feel free to contact us for any inquiries or more information about our company. We hope we can establish long-term relationships to achieve mutual benefits and a win-win situation.