Zhejiang Deqing Longersports Technology Co., Ltd. are established in 1998. We are a manufacturer and trader of Track Curbing, Take-off board, backboard,badminton equipments  and more. More than $10 million worth of Longersports products are used in the world.       Solid R&D Ability and Support We come out with an average of two new products a month for home and overseas buyers, and we are glad to develop your ideas. Our engineering team has 5 years of experience. Quality Assured we can ensure the integrity of your designs. Our products are subject to rigorous quality control. Services We offer free samples for items valued less than $20. Our aftersales personnel can help you with customs, insurance and shipping logistics. And you will spend less time to get the better goods and services. See what our dedicated team can create for you today!