... .Max user weight:150KGS Yong Kang shuangxi industry and trade Co., Ltd (GSD)began as a small manufacturing operation in Yongkang , exported ... galvanized inside and outside to prevent rusting. Bounce Mat: Black heavy-duty jumping mat is made from USA in a criss-cross ... TUV , Intertek etc.In 2009, YongKang shuangxi industry and trade Co., Ltd. Became a member of BSCI Europe."Customer is always right ...