Radio
📡 9 Entertaining Facts about Radio WavesRadio waves are amazingly lengthy The longest wavelengths in the electromagnetic spectrum belong to radio waves. ...Radio waves were discovered in the 19 th Century In the late 1880s, a man named Heninrich Hertz proved the existence of radio waves. ...Hertz has a clear legacy… Frequency is measured in Hertz, after Heninrich Hertz.More items...
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Shenzhen Songri Trading Co., Ltd.
Shenzhen Songri Trading Co.,ltd Establish in 2015, Company as focused on R&D and production on Audio and Video,6 years experience in customer electronic,is 3 year Gold supplier in Alibaba.com.
We locate in the center of Electron 'born- Bao'an Shenzhen,China,Our product range have DVD Player,LCD TV,FM radio,Speaker and electronic Oven,
We have enough capability to satisfy customer requirement by our 100 experience employees, 2000 square meter factory,4 production line efficient R&D quality management team.
most of our products have pass the evaluation of and CE.Rohs ETL SAA IEC60065 can meet the need of different market
We have already establish friendly business relationship with customer through Europe,South America,Africa,Middle East and Asia.our repeat order i more than 75%,because of the stable quality,reasonable price,excellent and honest service. use our source committed to providing customers with quality products and services
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