Shenzhen Zhonghe United Electronics Corporation Ltd. is a manufacturer of MID, eBook readers, and fire-fighting system products, with well-equipped testing equipment and strong technical force. We produce tablet pc, eBook readers, portable DVD players, digital photo frames, fire alarm system, smoke fire detector, heat fire detector, fire alarm bell, sound and light alarm, ect for civilian use and industry use. With a wide range, good quality, reasonable prices and stylish&fashional designs, our products are extensively used in study, entertainment, leisure, security & fire-fighting industry and other industries. Our company profession manufactures family-use carbon monoxide announciator, Smog announciator and combustible gas call the police, Sensitivity high, Show intuitional, Cubage small Use zero achievements consume electrochemical transducer and low achievements consume micro controller proceed design, Battery operating lifelong. Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!