提供各种规格的方管用堵头，管塞，符合出欧美环保标准，美观耐用。
规格方管适用壁厚12.7x12.70.8 - 2.015x150.8 - 2.016x160.8 - 2.519x190.8 - 2.520x200.8 - 2.522x220.8 - 2.525x251.0 - 2.525.4x25.41.0 - 2.530x301.0 - 3.032x321.0 - 3.035x351.0 - 3.038x381.0 - 3.040x401.0 - 3.045x451.0 - 3.050x501.0 - 3.050x503.0 - 5.050.8x50.81.0 - 3.055x552.0 - 4.060x601.0 - 3.063.5x63.51.0 - 3.065x651.0 - 3.070x702.0 - 4.075x752.0 - 4.076.2x76.22.0 - 4.080x802.0 - 4.0100x1002.0 - 4.0120x1202.5 - 5.0150x1505.0 - 8.0