Dongdian Development Company (H. K) is registered in Hong Kong as high-tech Industrial company with HK business Dept (Head office), Dongguan production manufacturing base and Shenzhen sales Dept. Invested 50, 000, 000 HK dollars to establish the E. S. D photoelectric industry park with 30, 000 square meter. At present, the company mainly engage in high-frequency wireless transmission products and optical products with main product of MP-3000 Mobile Phone Signal Isolator (Jammer), ED-S series Solar Illumination (alarm) production, Charger, 2. 4G A/V Microwave Wireless transmission System, DC-AC Inverter, Fresh packer(Vacuum sealer)and some OEM project of customers, total in over 200 kinds of product, 50 series. Its annual sales exceed HK dollar 50 million. We sincerely insist on Quality Standard Management of ISO9001, we believe that quality is above everything, and devote our more effort to provide the high quality production to market. For some exporting product, we get certification of CE, UL, CUL, GS, FCC, etc and selling to Europe, America, Africa and Australia, etc. Dongdian Development Company initiate continuously with our strong R&D Dept., winning credit from all over the world with our efficiency service and hard work. Welcome OEM and ODM order from all over the word.