Balcony wall insulation with polyurethane or extruded board is good
Each of the four corners of the insulation board, a center, a total of five
At present, China is not big, because the Chinese market is now recognized not much. The best company to import the SGB / slips dumplings Oujiu tea off Long UPright, made better is the grid special brand
I-beam steel is not less than . Ichuang steel anchoring point of not less than two, the retaining ring anchorage length of not less than 30 times the diameter, anchored steel bar diameter of not less than . a attack Dan Word steel an unloading wire rope and so on.
