ZJSD supplies a versatile range of free weights and strength training equipment for fitness brands, distributors, gyms and professional training markets. Our range includes dumbbells, kettlebells, weight plates, medicine balls, slam balls, wall balls, weighted training products and related strength accessories.

From standard products to customized product lines, we support different materials, weight ranges, colors, logos and retail packaging to help customers build a free weight collection suited to their market and brand positioning. OEM and ODM solutions are available for both individual products and complete strength training ranges.