The company is a Sino-foreign joint venture founded in 2004. Its subsidiaries include Qingdao Haishuo Fitness Equipment Co., Ltd., Qingdao Degao Steel & Plastic Products Co., Ltd., Qingdao Yuyang Sports Technology Co., Ltd., Qingdao Sanshuo Steel Pipe Co., Ltd., Qingdao Sanshuo Mold Co., Ltd., Ocean Master Investments, Inc., and Ocean Master Health&Technologies Co. , Limited has seven wholly-owned first-tier subsidiaries. The company is engaged in R&D, design, production and sales of leisure sports and fitness equipment. The company's main products are treadmills, elliptical machines, exercise bikes, comprehensive training machines and barbell stands, different types of trampolines and other leisure sports equipment. In 2023, the company won the honorary title of “2023 Shandong Sports Industry Leading Enterprise”.