Shandong Circle Strength Fitness Co., Ltd., based in Rizhao, Shandong, China, is your trusted partner for premium urethane and rubber dumbbells and weight plates. We provide end-to-end manufacturing and serve as a reliable supplier to distributors and wholesalers of leading fitness brands, as well as a long-term partner to top international commercial gym chains.

 

Since 2013, we have developed extensive expertise in dumbbell and weight plate production. By combining high-quality raw materials with meticulous attention to detail, we have successfully delivered thousands of orders worldwide, earning the lasting trust of our customers.

 

Beyond dumbbells and weight plates, we specialize in product integration and complete equipment solutions. Collaborating closely with specialized factories across China, we offer flexible, customized, one-stop sourcing services—helping clients save time, streamline procurement, and remain competitive.

 

At Circle Strength, every detail matters. We create real value by understanding and exceeding customer expectations with care, consistency, and precision. Our partnerships go beyond business, building long-term relationships founded on trust, service, and mutual growth.

 

Whether you’re building a new brand, upgrading your facility, or expanding your product line, we’re here to move you forward with strength.