╔═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╤═╗
║ │ │ │詢│大│門│通│、│通│風│通│；│道│；│改│計│煙│風│中│工│通│白│ ║
║ │ │ │洽│型│安│風│油│風│管│風│＝│保│；│造│、│ │ │央│程│風│鐵│承║
║ │ │ │談│加│裝│工│煙│設│等│管│環│溫│＝│通│制│所│排│空│；│風│通│接║
║ │ │ │。│工│、│程│淨│計│産│道│保│；│空│風│作│有│風│調│；│管│風│：║
║ │ │ │ │廠│價│。│化│、│品│；│工│；│調│工│、│白│ │ │＝│；│管│白║
║ │ │ │ │；│格│加│器│廚│；│；│程│＝│管│程│加│鐵│地│廚│ │；│道│鐵║
║ │ │ │ │；│合│工│、│房│；│＝│。│油│道│。│工│通│下│房│消│＝│；│風║
║ │ │ │ │＝│理│快│中│排│＝│共│生│煙│；│通│、│風│室│排│防│白│；│管║
║ │ │ │ │歡│ │捷│央│煙│。│板│産│淨│；│風│安│工│消│煙│排│鐵│＝│；║
║ │ │ │ │迎│另│、│空│系│承│法│加│化│＝│管│裝│程│防│ │煙│通│白│；║
║ │ │ │ │咨│有│上│調│統│接│蘭│工│；│管│道│及│設│排│新│ │風│鐵│＝║
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Undertake: galvanized iron duct;; ventilation ducts; = = tin; tin; tin = ventilating tube; ventilation engineering; fire smoke; = central air conditioning ventilation basement kitchen exhaust air fire smoke all Baitie ventilation engineering design, production, processing, installation and modification of ventilation engineering. Ventilation pipe; = air conditioning pipe; = pipe insulation; = oil and smoke purification; = environmental protection engineering. Production and processing of ventilation pipes; = common plate flanged wind pipes and other products; =. To undertake ventilation design, kitchen exhaust system, oil fume purifier, central air conditioning ventilation project. There are also large processing plants with quick processing, door-to-door installation and reasonable price;