BRD: adjustable roller bracket with complicated workmanship and high value is connected by two screws in the case of uneven wall.Others: common roller support with one galvanized punching plate can not be adjusted and affect the operation of the door body reducing the life of the door system.
On April 8, Sun Jiongguang, director general of Qingdao Xinguangzheng group and Zhan Fei, general manager of Qingdao Xinguangzheng group visited BRD, accompanied by Alex Zeng, general manager of BRD international trade department.