national market supervision institution post quality supervising detail of 54 kinds of building decorate material, such as PE pipes, PVC-U pipes, PP – R pipe, aluminum, steel and rubber plastic composite pipe, safe glass(interlayer safe glass, steel safe glass), PVC building proximate matter, aluminum plastic composite board, geosynthetics material, new energy conservation and environment protection material, cement and rock water duct, building water-proof rolling material, insulation electric sleeve, building steel pipe scaffold and coupler, pre-stressed steel strand, aluminum alloy building proximate material, hot rolled rib steel bar, hot rolled round rib steel bar, hot rolled round steel bar, cold rolled rib steel bar, steel used pre-stressed concrete, titanium and its titanium, wooden acoustic panel, outer wall thermal insulation material, artificial board(fine wooden board, fiber board, chipboard), wooden floor board(parquet), building sealant, paper surface gypsum board, outer and inner wall water proof coating, ceramic tile, lockset of valve and faucet.