Shenzhen Spring Technologies Co., Ltd was founded in 2008 where located in Dongguang China. Our company is a professional manufacturer in Bluetooth audio products with well-earned reputation. Our main products include,Bluetooth FM Transmitter, Car Mp3,Bluetooth Receiver/Transmitter etc.Spring Tech Products are leading the fashion trend due to their special design, excellent performance and high quality. All products have CE , FCC, ROHS certifications. Besides we have over 11 years experience in new products research development, marketing strategy analysis, production schedule setting. We can make special customized production according to customer' requirement . Our products are mainly exported to South and North America, Europe and Japan. Also most of products are on hot sale on the Amazon , eBay market. Spring owns professional product R&D department , international stand production lines , advanced product development supervisor, first-class foreign trade marketing and sales team and excellent after-sales. Shenzhen Spring Technologies Co., Ltd. is a sincerely looking forward to cooperate with you.