Renqiu Kang-speed Electrical Equipment Co., located in Hebei Province, Yan Ling Industrial Zone in the Southern District, transportation and production environment is extremely advantageous. Our company covers an area of ??30,000 square meters. China has advanced production equipment and cultural quality of higher technical staff. Is a collection of various shutter doors annex to the professional manufacturers. Our main products are: single-track single curtain, double curtain track, standard, nonstandard shutter door bracket plate and accessories. At the same time my company is Samsung Allende fire and fire shutter motor controller distributor in North China. Welcome to the new and old customers to inquire: 15511750238 fire shutter door motor: FJJ fire electric rolling door machine is my company's products. On the basis of the advantages of a variety of advanced models to learn at home and abroad, based on the latest research and development of electric shutter doors, the product quality and reliable, full-featured, easy to install, is the ideal accessory products of modern architecture, the product can be applied to the left, Two forms of the right to install. Working environment and working conditions: 1. Ambient air temperature changes with the seasons. 2. The relative humidity was 90% (25 degrees) 3. short time working system, continuous operation shall not exceed 10 minutes.