Shanghai Hengjian fire doors Co., Ltd. (Tel 13040664102 --15,902,159,575) 
 Shanghai Heng Construction Door Industry Co., Ltd. is a professional manufacturing steel fire door, wooden fire door, fire shutter doors inorganic fiber, WFJ TFJ GFJ several models such as steel fire shutter doors, inorganic super fire shutter doors, fire doors sideways, Electric shutter doors, aluminum shutter doors, fast shutter doors, muffler shutter doors, crystal shutter doors, industrial roller shutter doors, industrial sliding doors, wind-shutter doors, automatic telescopic doors, rapid garage door, flap garage doors, remote control garage door, automatic barrier, plant Industrial sliding doors, stainless steel sliding door, stainless steel mesh-type doors, stainless steel connecting doors, grille shutter doors, sliding doors, and all types of door motors, remote control, etc. The company has a long history, strong technical force, complete testing means, high quality products are exported all over the country, to get around the user's high praise over the years has been awarded "Star Enterprise", "bank credit enterprise" and the City, "the contract and trustworthy enterprise. " Today Shanghai Hengjian Door Industry Manufacturing Co., Ltd. spirit of "the pursuit of excellence, quality service," the purpose of continued development, make unremitting efforts, is a research and development, sales and installation in the enterprise. Meanwhile our company also committed to developing common, complex steel fire shutter door business, the products are widely used in shopping malls, hotels, warehouses and other public buildings and high-rise building fire district, fire cut off, the play to prevent the spread of fire to expand the important role of The product has the second through the national Ministry of Public Security Administration of the fixed fire extinguishing systems and fire-resistant components of Quality Supervision and Testing Center for testing. In the process of production and sales company has been implementing the "quality first, customer first" approach, and gradually establish and perfect quality assurance system, improve the production process to ensure the fire resistance of each batch of product to reach the national standard GB14102-93. And in early 2002 passed the ISO9001 international quality management system certification, the volume of business also booming. To improve market competitiveness, expand production scale, the company shareholders' meeting decided to develop single-track single curtain fireproof roller shutter doors, dual dual curtain fireproof roller shutter doors, lateral steel fire shutter doors, etc., to fill the city shutter door gaps in the market. Companies adhere to the "people-oriented, win-win" for the marketing concept ", the implementation of international practice management, complete management system, full implementation of the ISO14000 international environmental management decency. With high quality, create a better life and work. Hengjian always insist on honesty , quality of business, we sincerely hope that the new and old customers and the community cooperate, Hengjian willing to work with you to create brilliant. 
 ? Inorganic super fire shutter, light weight, reduce the load on the building structure; good insulation, low prices. Has broad prospects for development. 
 Technical parameters: 
 1, the back fire of the average surface temperature ≤ 140 ℃, the highest single-point temperature ≤ 180 ℃, fire resistance: ≥ 3.5h; 
 2, the hoist speed :2-9m / min; 
 3, drain smoke ≤ 0.2m 3 / m 2 min;