天津嘉和正通科技有限公司專門從事防火延燒、阻燃、防火密封膨脹材料的研發、生產、銷售，其主要產品防火膨脹密封條（又稱防火密封條、防火膨脹密封件、防煙條、防火條等）、防火膨脹防煙鉸鏈墊片、鎖具防火護套等防火火膨脹密封產品，屬于一種被動型防火材料，廣泛應用于樓宇防火門、防火閘、防火帶等建筑防火領域。內銷產品多次通過中國國家固定滅火系統和耐火構件質量監督檢驗中心檢測(90分鐘標準)，擁有國內眾多用戶，并出口至歐洲、中東地區及大洋洲。同時承接特殊性能要求的防火、膨脹、密封、防煙材料的開發生產。

Start in 2000，From the outset The SG Science-Tech Co.,Ltd. have been committed to the R&D of Intumescent fire prevention material. The intumescent fire and smoke seals product which is a passive fire protection material can be wildly used and incorporated in fire doors ,fire collar ,fire damper and other fire resistance system in the building. The products are exported to Europe Oceania and the Middle East. Meanwhile，we develop various fire retardant material production to meet our customers’ special requests