Zhangjiagang Steiman Hardware Products Co., Ltd. was established on January 29, 2003, and is located in Daxin Town, Zhangjiagang City, Suzhou, Jiangsu Province. It is a wholly foreign-owned limited liability company. The company specializes in the production of hand tools, special tools, and related products. It holds multiple patented technologies, including the "Double-Sided Detachable Wrench" and "STM Pliers." As of 2025, the company has a registered capital of USD 500,000. It is recognized as a high-tech enterprise and a technology-based small and medium-sized enterprise, with 41 employees covered by social insurance.