the product specification
1: hydro perlite  : 600mm length, width 300mm , thickness   40mm ~140mm
2 tube and shell: 600mm length, diameter 32mm -  arc plate  , thickness  30mm ~90mm

the matters needing attention
Products should be piled up in the interior, such as storage should be done in outdoor waterproof, moisture-proof, people who work, is strictly prohibited.
Product has won excellent products in Shanghai, Shanghai spark project award, national xinghuo science and technology project award, fences, Shanghai science and technology exposition has perlite in China association of industry product quality products, excellent random awarded by China association of the ZhunChanZheng production factory perlite