Xiong Wang Thai Plastic Products Factory is a construction, building materials company communications grid tube, is approved by the relevant state registration of enterprises. Xiong high Xinzhuang Industrial Zone located, are the Bohai Economic Rim, north of Beijing and Tianjin, south Huang Shuo railway, the East according to the Beijing-Kowloon, Beijing-Fuzhou Expressway. West along the Beijing-Guangzhou railway grid tubes, Beijing-Shenzhen Expressway, location and grid tubes offer convenient transportation infrastructure abalone abalone grill telecommunications tube square tube grille PVC-U pipes accordance with the following provisions: 1. In areas with good soil, after a trench dug the ditch should be compacted backfill 50mm sand or fine soil. 2. In somewhat less soil areas should be done after the concrete foundation dug trenches, on the basis of the first 50mm sand or fine soil backfill. 3. In the soil is rocky areas should be backfilled after 200mm sand or fine soil dug trenches. 4. In soil for backfill soil unstable regions or grill pipe manufacturers, steel plate concrete foundation should be done. 5. In poor soil, high water table, the flow of sand or silt areas dug trenches should be performed after the foundation reinforcement, concrete pipes and encapsulation. 6. When the pipe into the building or person (hand) hole near the building or person (hand) hole should be not less than 2m length of reinforced concrete foundation and encapsulation. Square hole grid tube, Suining grille tube, provided by Xiong Xiong Wong Tai Wang Thai Plastic Products Factory. Xiong Wang Thai Plastic Products Factory (www.wangtai668.com) strong, credible, in Baoding UPVC pipe industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Taihe Wang Xiong you hand into the brilliant, for a better future!