Yueqing Haotai Machine Manufacturing Co., Ltd. is a company established in May 2005 with over 50,100 employees. They specialize in manufacturing nylon insert lock nuts, train parts, switch fittings, and custom-made fasteners.

They prioritize quality, reputation, and customer satisfaction and have obtained ISO 9001 Quality Management System Certification. The company aims to become an efficient, innovative, and responsible enterprise and welcomes clients from both domestic and international markets.