Nantong Doublewin Import & Export Co., Ltd. is a professional gym fitness equipment manufacturer of home gym item for several years, and we have 3 factories now. Our factory is committed to designing and manufacturing fitness equipment and our equipment is famous for durability, high quality and attractive design. The series of fitness Commercial Machine, Barbell Bar, Weight Plate, Kettlebell&Dumbbell are all our best sales. All kinds of products are sold to America, Europe, Japan, Australia, Chile, the Middle East, Korea, etc. Welcome to contact us.