SanKou Industrial Co.,Ltd,a factory located in Shenzhen,China.We specialized in consumer electronics and accessories, such as for iphone external battery case, for Samsung galaxy battery case, battery power banks for phones, tablets, laptops,also do like laptops,tablets sd card,micro sd cards and so on. Been a team with creative R&D, strict QC, decent sales and careful workers, we always offer you the best we can do.