I. Core Principle: Understand the function of the fire damperFirst of all, it is necessary to understand why to install:Smoke isolation and fire prevention: During a fire, high temperatures or smoke detection signals close the valve, blocking the spread of fire and smoke through the air duct.Ensure
read moreDuring the 12th Five-Year Plan period, driven by application demands, China's fan industry has maintained rapid growth over the past decade or so. In the middle and later stages of the 12th Five-Year Plan, China's economic growth rate slowed down significantly due to multiple domestic and in
read moreIt involves aspects such as petroleum, chemical engineering, power, nuclear energy, metallurgy, shipping, light industry, food, municipal services, and environmental protection sewage treatment. In terms of the product itself, electric valves have the advantages of easy assembly
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15968556655（Mr.Xu）
15968557822（Mr.Yang）
