主营产品：Road engineering, construction engineering, communication pipelines, drilling engineering (excluding mine exploration) construction, fire protection facility installation and construction, decoration design and construction, landscaping engineering design and construction, engineering design consulting; traffic engineering facilities, building materials, steel, Sales of wood, cement, hardware accessories, and road maintenance materials; production, processing, and sales of asphalt (cement) concrete, (color) asphalt cold patching materials, asphalt sand, joint tapes, and joint grouting adhesives; advertising design and agency release, and machinery and equipment leasing ; Freight forwarding, logistics and distribution; general freight. (Projects that require approval according to law can only carry out business activities after approval from relevant departments).
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