Skid-mounted fueling units, flame-retardant materials, metal containers, steel structures, grid structures, and new building materials, etc., with qualifications for general contracting of construction projects, general contracting of petrochemical engineering projects, specialized contracting of steel structure projects, specialized contracting of architectural decoration projects, general contracting of electromechanical engineering projects, specialized contracting of anti-corrosion, waterproofing, and thermal insulation projects, specialized contracting of foundation engineering projects, specialized contracting of ancient architecture projects, and special facility cleaning for storage tanks, etc. Also holds production licenses for hazardous chemicals, flame-retardant materials, flame-retardant skid-mounted fueling units, and storage steel tanks, along with relevant inspection reports.