Qingdao ThinkUp specializes in manufacturing and exporting high quality fitness and screw pile products since 2008. Through 10 years management and development, it has become a modern international corporation. The company has grown dramatically in recent years. It has its own R&D team, three share-holding factories and one outstanding trading company. With years of experiences in structure manufacturing, seasoned R&D team and large production capacity, ThinkUp has developed crossfit items. kettlebells, dumbbell , bumper plate , barbell, gym mat, gym ball, Olympic barbell & gym rings and so on. Thinkup offers a wide range of goods and its diverse international clients include companies from the USA, Canada, Europe countries, Southeast Asia, Japan, Russia, Korea etc. OEM/ODM orders are accepted.