Hangzhou Haogong Hardware Tools Co., Ltd. (YUANGONG & SHUOGONG) is an integrated manufacturer and trading company specializing in the production of torque wrenches, ratchet wrenches, socket sets, and other professional hand tools for automotive repair and maintenance, energy construction, rail transit, machinery manufacturing, and many other industries. Renowned for outstanding product quality, Haogong has earned the trust of customers and partners worldwide. With a rigorous working attitude, a strong global sales network, and comprehensive after-sales support, we are committed to delivering efficient, reliable, and high-quality services to partners around the world.

Since its establishment in 2009, Haogong has consistently focused on research, development, and technological innovation. To date, the company has obtained over 20 authorized patents in China, including 2 invention patents and more than 20 utility model patents. Our core product portfolio includes ratchet wrenches, torque testers, torque calibration equipment, and a wide range of professional hand tools. Supported by a fully digitalized manufacturing system, our products comply with international standards and certifications including CE, EMC, RoHS, UL, Proposition 65, and GS. Today, Haogong products are exported to Europe, North America, Southeast Asia, Australia, and many other markets, while maintaining long-term partnerships with numerous internationally recognized brands.

The company operates an independent R&D center and testing laboratory, supported by an experienced engineering team dedicated to new product development and continuous product improvement. We provide practical and customized solutions designed to meet the unique requirements of every customer.

Excellence is pursued throughout every stage of our manufacturing process. Haogong has established its own quality control standards that meet international benchmarks, ensuring consistent product quality across every production batch. Through standardized production management, advanced manufacturing technologies, modern equipment, skilled technicians, and comprehensive testing systems, we consistently deliver products with outstanding performance and reliability. Combining superior product quality with highly competitive pricing, Haogong helps customers strengthen their competitiveness and drive innovation across a wide range of industries.