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Address: intersection of Yulan Avenue and Huanggang Road, Taohua Industrial Park, Jingkai District, Hefei City
Telephone:0551-65119194-826
Fax: 0551-63498894
E-mail:475598747@qq.com
Airtight fire door series
Door parameters: 1.5mm galvanized steel door frame parameters: 10 angle steel Insulation performance: Grade 4 Air tightness performance: under the pressure difference △P specified below, the air leakage is less than 10N · m3/h Grade X: pressure difference △P = 50mm-150mm water column Grade Y: pressure difference △P = 150mm ~ 300mm water column Grade 7: pressure difference △P = 300mm ~ 500mm water column Executive standard: BT.S-205
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E-mail: 792473244@qq.com
Mobile: 18155197979/15155518211
Address: Junction of Yulan Avenue and Huanggang Road in Taohua Industrial Park, Jingkai District, Hefei City
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