Guangzhou Yana Electronic Co.,Ltd was founded in 2010, Yana is a foreign-funded hi-tech enterprise which is focus on the manufacture, sales and services of lithium batteries and mobile phone accessories. Since the time Yana was founded, we had paid much attentions to the quality, service and credit of our products. So we had obtained many quality certificates, such as European CE standards, ISO9001,SGS, UL1642, ISO14001: 2004 etc. Our products are very competitive in the field of price and quality, because we established a very strict quality control and precise cost keeping principle. We...