Hengshui Ming Crown Rubber& Plastic Co.,Ltd Your best choice for building materials Advantaged products : Waterstop , waterstop seals, Rubber sheet , Construction joints sealants , bridge bearing
Product Description 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...
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