TRONCO RV Series is in the top of automatic doors. With the progress of the development of the automatic door industry, material structure of high strength, durable, simple design with a wide choice of surface treatment which gives the building boutique-like texture.
TRONCO develop and design the new wisdom of ultra-fast 3-5 seconds full open automatic rolling shutter. It has stressed the shuttle speed and is he typical products which designed for those who need ultra- high-speed rolling shutter.
