Hebei Yongzai Engineering Technology Co., Ltd.

General items: Engineering and technical services (excluding planning management, survey, design, and supervision); technical services, technology development, technical consulting, technical exchange, technology transfer, technology promotion; wholesale of hardware products; retail of hardware products; landscaping engineering construction; sales of insulation materials; sales of anticorrosion materials; sales of building waterproofing membrane products; sales of building ceramic products; sales agency; manufacturing of environmental protection specialized equipment; sales of environmental protection specialized equipment; environmental monitoring; housekeeping services; property management; sales of communication equipment; sales of metal products; engineering management services; sales of textiles and knitted fabrics; engineering and technical research and experimental development; land consolidation services; geological disaster management services; advertising production; advertising design and agency; sewage treatment and reuse; collection, treatment, and utilization of rainwater, slightly saline water, and mine water; research and development of carbon fiber recycling techn…