主营产品：Nearly a thousand national, provincial and municipal key projects including structural reinforcement, equipment installation, thermal insulation and waterproofing, offshore rust prevention and anti-corrosion in many industries such as metallurgy, electric power, petrochemicals, light industry, industrial and civil engineering, etc.
主营产品：Energy, railroads, bridges, industry and mining, transportation, water conservancy, electric power, airports, urban rail transit and industrial and civil buildings and many other fields.
主营产品：Fire-fighting gas head pressure water supply equipment, gas head pressure equipment, fire-fighting pressure boosting and stabilizing equipment, fire-fighting water tanks, fire-fighting pumps, fire-fighting air pressure tanks
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Zhangjiakou high-str
