China Ningbo Grand Telecommunication Equipment Co.,Ltd. have many experienced qualified manager and engineers for R&D, with more than 10 years experience in the telecommunication equipment industry, specializing in developing and manufacturing all kinds of telecommunication, network, and other related products, voice module. Our main products are keystones, patch panels, patch Cords, wiring block, network tools, faceplates, communication accessories, fiber Optic Accessories,distribution boxes & cabinet and so on. Our company is the OEM production base for many domestic and foreign famous companies, the products, voice modules, voice data module, voice sound module, packet voice dsp module, 64 voice synthesizer module, computer voice module, cordless voice module, two way voice module, voice compression module, voice acquisition module, voice processing module, extension voice module, voice network module are guaranteed under the ISO 9001 quality management system. Our friendly and professional sales team will lead you through your order and confirm price and delivery.