Shenzhen Dingshengwei Electronics Co., Ltd. (DSW) is a leading manufacture of electronic equipment supplying to the CATV network providers. The company was founded in 1998 in Shenzhen, China. In 2007, We Changed the company name from Souka Electronics to DSW. We have been manufacturing and supplying a large variety of CATV head-end modulators to our esteemed customers around the world for more than 10 years. Our products are well acknowledged by our customers in Europe, America, South Pacific, the Middle East and Southeast Asia countries. We have been the main supplier of 5580 modulator for North America companies for years. DSW obtained ISO9001:2000 certifications authorized by CQC. We have a senior engineering team made up of 9 CATV engineers to manage every project for our customers. For production, we have SMT machine, Wave Soldering, Reflow Soldering and Semi-automatic Solder Paste Brush Machine; our monthly turnover of our five production lines is 10, 000 units or over. This production capacity helps us to accommodate all your orders and assure punctual delivery. And we have rich range of testing equipment to make sure the quality of our products. The testing equipment include HP Video Analyzer VM700A sets, HP Spectrum Analyzers 6 sets, RF SWEEP TESTER 4 sets, Frequency Meter 4 sets. And we have standard high temperature aging room for life testing. As one of the most reliable supplier in this field, we continually spare no efforts in developing DSW into a world recognized brand with trustworthy and solid reputation. DSW sincerely invites you to enjoy the fascinating experience of modern technology and excellent customer service provided for you by our professional staff.