Shenzhen Cashway technology co., LTD. Is a high-tech innovative enterprises, approved by the Shenzhen market supervision and management, the company is located in electronic and port city - Shenzhen, China, engaged in professional audio circuit boards and hotel smart door lock development, production and sales, the company has experienced hardware engineer and software engineer research and development team, can provide all-round professional quickly to customers personalized custom services. Product lines include programmable WAV module, SD card MP3 module, usb disc MP3 module, power amplifier MP3 decoder board, intelligent security accessories, hotel RFID lock, hotel password lock, etc. The company's products with excellent quality, competitive price, professional and personalized service, loved by the masses of customers, all products are exported to Europe and the United States, the Middle East, Arab, southeast Asia and other regions more than 90 countries.