1. Yongzhou Branch of Hunan Yudong Construction Engineering Co., Ltd. is a comprehensive enterprise integrating building structure reinforcement, reinforcement design and construction, and technical service consultation, with special qualification for engineering contracting.
2. Yongzhou Housing Reinforcement Design Company is mainly engaged in: reinforcement and reconstruction of dilapidated houses, carbon fiber reinforcement, steel bonding reinforcement, steel-clad reinforcement, floor crack treatment, waterproof and leak-patching, concrete cutting, steel structure engineering, etc.