Shenzhen EverGreat Technology Co., Ltd. has abundant experience in designing, and manufacturing&exporting of high-quality portable power banks for mobile phones, Bluetooth speakers, and other digital devices.Our core competencies are in product innovation and the materialization of one concept into a product.We have years of experience in consumer electronics, OEM, and ODM orders, and specific production requirements are welcomed.Our factory covers 2,000 square meters and is equipped with modern production machines including an Auto-SMT workshop. we offer 12 month warranty for all products and deliver goods to our customers on time. All our products are highly functional and carried all international safety approvals including RoHS, CE, UL, FCC, MSDS Report, UN 38.3, etc.Over 90 percent of our products are exported into more than 20 countries all over the world. We hope we become your honest supplier and it is a win-win situation.