The material of the door is galvanized steel plate with beautiful cast square grid
and venation. The final processing to the door surface is polyester technics.
The door surface have rich colors and luster. The inner material is polyurethane,
thickness of door board from 40mm - 50mm.
The rail are made by galvanized steel plate with two lifting ways: standard lifting
and low net distance lifting. Several types of door operators for choice with manual,
electric and remote control function.
Safe protection: the door has the function that it will rebound when the resistance
is exceed 5kg, its response time is less than 2 seconds.