1. Xuzhou Shengyang Construction Labor Service Co., Ltd. has nearly 20 national first-class qualifications, such as general contracting of construction projects, general contracting of municipal public works, electromechanical installation, highway, steel structure, fire-fighting facilities, installation and renovation of special equipment, and many first-class design qualifications, such as architecture, municipal administration, decoration, curtain wall and fire protection, and first-class qualifications of construction and municipal supervision, and has the right to contract and operate abroad.

2. Xuzhou Lijiang Construction Labor Service Co., Ltd. is a large-scale construction labor service company approved by the Jiangsu Provincial Department of Housing and Urban-Rural Development. The company has the first-class qualification of subcontracting construction services, and can undertake all kinds of sub-projects of construction. It has more than 0 people/kloc-0 in civil engineering, carpentry, stringing, sheet metal, plumbing, welding, formwork, concrete and steel bars.