1. Hebei Jinxiang door industry co., ltd.

The main products include fire doors, fire windows, security doors, fire shutter doors, stainless steel craft doors, garage doors, basement doors and so on.

Company Profile: Hebei Jinxiang Door Industry Co., Ltd. is a modern enterprise with advanced production equipment and production lines and excellent production technicians. It combines classic design style with modern science and technology, and fully demonstrates the extraordinary design concept and product belief of the company created by Seiko. Hebei Golden Elephant Door Industry Co., Ltd., with its extensive sales channels and customer groups in the domestic market, has continuously expanded the international market and made new achievements in R&D and sales.

2 Renqiu Yide Door Industry Co., Ltd.

The main products are steel protective roller blinds, super protective roller blinds, super-long L-shaped fire doors, fire windows and so on.

Company profile: Renqiu Yide Door Industry Co., Ltd., located in Renqiu City, Hebei Province, was established for 20 years. With a strong production team and high-quality products, it sells well in the market. Renqiu Yide Door Industry Co., Ltd. adheres to the business philosophy of winning by wisdom, constantly strives for perfection and develops new products, so that the enterprise is always among the industry trend leaders and has formed a good production and circulation state.

3. Shanghai Hanmei Door Industry Co., Ltd.

The main products are DYNACO imported shutter doors, high-speed stacking doors series, aluminum alloy shutter doors, fire doors, unloading platform series and so on.

Company Profile: Shanghai Hanmei Door Industry Co., Ltd., founded in 200 1, is a company specializing in the production and sales of industrial doors and windows. The products produced by the company are mainly used in workshops, warehouses, factories and other major industrial fields. Shanghai Hanmei Door Industry Co., Ltd. has thousands of factories and a group of high-quality industrial technicians, which makes its products more novel, safe and durable, and is well received by people in the industry.

Specifications and dimensions of fire doors:

The width and height of standard fire doors are within 1800mm×2400mm, while the maximum of Class B fire doors is 2700 mm. ..

At present, there are two kinds of fire doors on the market: wood and steel. The thickness of wood fireproof board is generally about 50mm, while the thickness of steel fireproof door steel plate also has certain requirements, for example, the door leaf panel is not less than 0.8mm, the door frame panel is not less than 1.2mm, the hinge panel is not less than 3.0 mm, the reinforcement without screw holes is not less than 1.2mm, and the reinforcement with screw holes is not less than 3.0 mm. ..

Precautions for installation of fire doors:

There are many kinds of fire doors in the market, and the installation methods are not the same. In the installation process, it is necessary to adopt corresponding installation methods according to the types of fire doors. In addition, door closers must be installed on the fire doors, and sequencers also need to be installed on the opposite fire doors.

The installation clearance width of fire doors also needs to be strictly controlled and must be installed in accordance with standard specifications. This can ensure the effective function of fire doors to a certain extent.