Grouptop Sport & Leisure Co., Ltd.has been main designing and manufacturing trampolines, tatamis from the year of ***** factory was located in Shen Zhen , Guangdong ***** With advanced product-lines, innovative management , Our company develop ***** high quality , competitive price and good service which support us have a read market over the world. Now, the trampolining is an official Olympic sport from ***** are widly used in taining, competitons, and family entertainment . Our rampolines can help you keep fit and exercise without straining joints or muscles. With different sizes and shapes, our trampolines are durable and safe .We sincerely hope you and your children will have more fun with the trampoline