Our products is qualified with various complete type at competitive price , and we have good fame and credit among the customers. Now I want to introduce the advantage of the accumulation speeding door as follows :

The speed of the accumulation speeding door is 20 times higher than the steel shutter ,it can start and stop 100 times in an hour with high durability. And also , it can shorten the open time of the entrance through the opening height adjustment mechanism to improve the effiency of the air container . it can control the foreign matter to the lowest limit . to improve the effiency . and make contribution to achieving safe ,clean and energy-saving environment and improving the production quality and reducing the cost .