Fire is a scary thing, so people think fire is very important, from our side all objects can see come out, such as fire doors, building fire prevention materials, fireproof cables, etc., the fire door manufacturer by us give you a simple introduce about the factors that affect the product resistance to combustion performance.

    Fire door it can be divided into three grades: class a, class b and class c. What are the three grades? It is because of the length of the product's resistance to burning time to divide, so their filler material is also different, but they are all the same that the filler material performance, fire insulation materials are used to fill. And the fire door's burning is not only because of the filling material inside, the material of the appearance is also the direct factor that affects the length of the burning time.

    Shanghai forest special steel door co., LTD., founded in the 1980s, is a magnificent team work history, is a deeply moving history of entrepreneurship.

    Always "gain customer trust with quality, obtain business philosophy with trust, win recognition from industry customers and win market dominance".

    Formed "a customer problem is our problem" innovation continuously surpass ourselves, constantly meet the market demand, have is a race to draw the brave heart, the heart of the king, the road of the strong destined is full of challenges. Products have been widely used in the subway and high-speed rail, nuclear power, medical high-end office buildings, senior housing, hotels, shopping centers, high-rise buildings, convention and exhibition, electronic signature key projects of industrial factory building and other industries. Versatility is insisting in the spirit of enterprise, at the same time is committed to enterprise management level, industry, 4.0 service facing the world, with the first-class enterprise, shoulder to shoulder together flooding based on domestic and international high-end power in the world, "create the world first-class brand" as the goal, pioneering innovation, steady development.

    The beautiful future needs us to join hands with you to create a brilliant tomorrow together! Achieve a win-win, full of new hope!