Shenzhen Welte Electronics &Technology Co,ltd ,was established in 2002 , which has became one of the top OEM manufacturers and exporters in China. We specializing in researching , producing ,marketing speaker and power bank. We perform all design ,manufacturing ,and passed CE/FCC /RoHs certificate. Our main products are :1 power bank 200,000pcs/month2 Mini speaker , portable speaker ,laptop speaker ,bluetooth 10,0000pcs /monthOur R&D Department:Our R&D team has many years experience , with many year&＃39;s effort , we gain the products of high quality and high technology . Recent years, our export business and domestic trade have been developing very rapidly . we have many products styles and a wide range of products exported to worldwide and sold well abroad . Our products are of high quality and competitive price .which always satisfied our customers. Now let us work with you on your OEM order .Factory:2000 square meters factories with more than 200 workers with high qualified personality . Our factory always have excellent production, on average up to 100,000 per month .Warranty Service :We also offer a 2 year reliable warranty service for our customers . If you have any problem with the products , you can contact our after-sales department . We will reply within 24 hours .We always offer high quality and competitive products . Wish do a long-term business with you !