Fordyce Ltd. to introduce you to doors and other home building products is difficult to achieve "zero formaldehyde." According to the Secretary-General Indoor Environment Monitoring Committee, director of the National Indoor Environmental Quality Supervision and Inspection Center and the indoor environment, said Song Guangsheng, imitation copper manufacturers, household environmental detection, formaldehyde and a variety of materials may be related to imitation copper manufacturers, such as white Latex and composite doors are likely to exist formaldehyde problems. Experts suggest that in the home renovation process, consumers need to pay attention to a reasonable mix of decoration materials. Fordyce Ltd. to introduce you to a fire door composition structure: Fire doors generally located in the following parts. (1) closed staircases imitation copper, leading to the walkway; enclosed elevator, seeking through the forward compartment and walkway leading to the door of the front room. (2) Cable wells, tube wells, flue, garbage Road and other inspection door vertical pipe wells. (3) into the fire district, district construction area of ??control established by the firewall and the fire wall of the door. When building a firewall or fire doors have difficulty, use fire shutter doors in place, while the water curtain must be protected. Please call Fordyce industry and trade, we will be happy to help you! Shanghai imitation copper | imitation copper wholesale | Fordyce Trade and Industry Customer (certified merchants) provided by Zhejiang Industry and Trade Co. Fordyce. Shanghai imitation copper | imitation copper wholesale | Fordyce Trade and Industry Customer (certified merchants) Zhejiang Fordyce Ltd. (www.cngusite.com) this year introduced a new upgrade, the above picture is for reference only, please call Tel This page or image on to obtain the latest information, contact: Mr. Shen.