Shenzhen Yiwerder Electronic Technology Co., Ltd was founded in 2012 ,we have 1000 square meters
plant. We are specialized in Power Bank and Bluetooth Speaker manufacturing. Currently we have over
200 models power bank for your selection. Your customized samples can be ready in just half a month. 
We have 10 QC technicians who conduct piece-by piece double test on finished products, and random
check the finished products before packing.The return rate is less than 0.5%. Leave your concerns on
quality to us, we provide a one year warranty on the products.
All of our products passed CE,FCC and Rohs certificates which are widely used by clients from all
over the world.