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  Shenzhen Yianda Electronic Co., LTD, officially established in 2006, is a Security company which specializes in R&D, producing and selling audio products, especially sound monitor. According to different market requirement, we have developed many kinds of sound monitor which are suit for different occasions. Our company has professional reach team and devote to research new products.
  Our company public several products each year and the performance of the company increased steadily. Now we have more than 60 products: sound monitor (50 products), surge protective device (10 products) and window intercom device (1 produces). And we Obtains the customer approval for good quality and service. Besides, all our products have passed CE, the United States FCC and ROHS quality certification. Nowadays, our products sell well at home and abroad.