GSD was established in 1995Y,one leader of trampoline manufacturer in china,the biggest experter manufacturer to european market.covering an area of 50,000 square meters and employees over 150,including 8 R&D and 17 quality management personnel,with advanced technology and standard production process.daily output reaches 2500sets,annual sales500000sets,and sales amount is usd 50million.GSD has BSCI,ISO14001, EN71,GS,ASTM and AS4989:2015.