| Shenzhen Tsinghua Tellhow Sci-tech specializes in the design and manufacture of CCTV and speak multimedia equipment. We are one of the largest exporters of security and speaker products in China. Our CCTV range includes CCD cameras, day/night cameras, dome cameras, IR waterproof cameras, CCD zoom cameras, wireless AV receivers and PC cameras.Our co***ny was certificated ISO9001 in Mar.2003.With the good quality of products and the perfect service after sale, Our speaker assembly factory has been equipped with wooden case processing factory, drive unit factory, electronic factory and cables factory. The monthly output of speakers can reach 1,000,000 sets. our co***ny has got 3C,CE,UL and KE Certificate, Buyers in Europe, North and South America, and Malaysia are satisfied with our services. Choose us as your supplier and you will be too.
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