Guangzhou Zhongda Technology Limited was established in 2007 in Panyu District Guangzhou city in China. It foucus on producing electronic products and owns production lines, design team engineering team and SMT equipments. Zhongda is ISO9001 approved and has more than 30 product patents. Registered brands including Tinaaudio, Smokefree Createdog. Registered related companies includes Tina Audio Limited in Hong Kong and Guangzhou Aimei Intelligent Technology Co., Ltd. in Guangzhou.