25 thick extruded polystyrene plastic insulation board how many kilograms per cubic meter
Sandwich board is made of color coated board, stainless steel and other materials as the surface of the composite board, because of its unique dust, anti-static, anti-bacterial effect, is widely used in electronics, pharmaceuticals, food, biological, aerospace, precision Equipment manufacturing and scientific research on the indoor environment demanding clean engineering areas
2 fastener type steel pipe stent construction must be prepared before the construction program
