Round chair is a kind of ring spacer for supporting large area. It is extremely sturdy and tilt-resistance due to protruding webs. 300 mm is the minimum size of roundchairs.
Manufacturer, Importer, Exporter
Chemical construction, concrete admixtures, pvc waterstop, plastic spacers, rubber gaqsket, waterproofing, concrete repairs, adhesives, polycarboxylate ethers, silica fume slurry, concrete accelerator, antifreez
Joint stock company