Shenzhen Yinzhiguan Digital Technology Co., Ltd. , which is fast growing company in Shenzhen, China, which establish in 2007. For the more and more business, we opened a new company in 2014, Shenzhen GP Digital Technology Co., Ltd., it belongs to YINZHIGUAN. And increase the sales and production lines for more orders. We mainly produce wooden portable speaker, bluetooth speaker, pull battery speaker, bag speaker, mini speaker, gift speaker and so on. We are a professional speaker manufactory. We are a collection of development, production, sales of integrated OEM/ODM company, we desigh by my ownself. So we have our hotsale point. Novel style, leading fashion. We have our own brand YINZHIGUAN and GP. So you can print our brand or your customers' brand. We have good after-sale service, we will help customers to solve any probems, help our customers to grow up. Our business base on integrity, we will try our best to support you. And you can feedback me any information as you know the market as well. Support each other, we will achieve win-win high quality best offer give you a chance, give us a chance, start our business right now...