The expansion devices for the GQF-C, GQF-Z, GQF-L,GQF-F, and GQF-MZL types of bridges adopt the rolled design of hot rolling and single-n anpiece. The expansion devices of the GQF-C, GQF-Z,GQF-L types are applicable for the sealing of bridges with less than 80mm expansion amount,
Hengshui Ming crown rubber and plastic products co., LTD [2017-10-31 10:32:02 ]
The expansion devices for the GQF-C, GQF-Z, GQF-L,GQF-F, and GQF-MZL types of bridges adopt the rolled design of hot rolling and single-n anpiece. The expansion devices of the GQF-C, GQF-Z,GQF-L types are applicable for the sealing of bridges with less than 80mm expansion amount,
Hengshui Ming crown rubber and plastic products co., LTD [2017-10-31 10:28:07 ]