Shenzhen Hengyuansheng ManufactureTechnology CO.,LTD founded in 2013,specialized in R&D and manufacturing Bluetooth Headphone, Bluetooth Speaker, Solar Charger,Smart Watch, USB Cable series etc. Our factory has over 500 workers, over 20 senior design engineers.Can design different products according to customers requirements.We have OEM&ODEM experiences over 6 years for customers.With the spirit of "quality first, credit first, to provide customers with premium services", our company has passed ISO9001:2000 quality management system certification, CE certification and FCC certification. We comply with relevant European environmental standards and WEEE & RoHS standards. With excellent and professional management and technical persons, we try to design, develop and produce the most satisfactory products for our customers in the shortest time. We can provide the products with high quality and lower price for our customers. Your satisfaction is our biggest goal. We hope to provide the first class products and the first class service to our customers. We sincerely welcome overseas businessmen to visit our company to discuss business and to create a prosperous future together! Welcome to customers from the world wide, cooperate with us,and Win-Win.