... clean world. Our company has developed new twisted-in wire brushes ,bottle brushes, which have been tested by Tsingtao Beer,Yanjing Beer and ... to be used for 8 consecutive hours without deforming. The brushes are wear, acid and alkali resistant with beautiful appearance. They ... plate, galvanized plate and low carbon steel plate.Materials for brushes: PA, PBT, PE, PP, PVC, steel wire, copper wire, ...