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http://www.188pipe.com/productshow.asp?id=1988
2011-06-23
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1984
2011-06-08
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1981
2011-05-31
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1980
2011-05-31
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1979
2011-05-31
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1978
2011-05-31
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1977
2011-05-31
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1976
2011-05-31
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1975
2011-05-31
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1973
2011-05-31
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1972
2011-05-31
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1970
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1969
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1968
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1967
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1966
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1965
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1962
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1961
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1960
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1959
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1958
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1957
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1955
2011-05-28
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1948
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1947
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1946
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1945
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1944
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1942
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1936
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1935
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1934
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1933
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1932
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1931
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1930
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1929
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1928
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1927
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1925
2011-05-22
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1923
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1922
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1921
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1920
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1919
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1918
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1917
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1916
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1915
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1913
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1912
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1911
2011-05-19
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1909
2011-05-17
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1908
2011-05-17
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1907
2011-05-17
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1905
2011-05-17
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1904
2011-05-17
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1902
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1900
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1897
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1896
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1895
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1894
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1893
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1892
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1891
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1889
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1888
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1887
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1884
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1883
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1882
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1880
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1879
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1878
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1877
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1875
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1873
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1870
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1868
2011-05-13
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1865
2011-05-12
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1864
2011-05-12
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1863
2011-05-12
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1861
2011-05-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1860
2011-05-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1858
2011-05-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1855
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1854
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1853
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1852
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1848
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1847
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1846
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1845
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1841
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1840
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1839
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1838
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1837
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1836
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1835
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1834
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1833
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1832
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1831
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1830
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1829
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1826
2011-04-29
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1823
2011-04-26
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1820
2011-04-26
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1819
2011-04-26
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1818
2011-04-26
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1816
2011-04-24
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1815
2011-04-24
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1814
2011-04-24
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1812
2011-04-23
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1811
2011-04-23
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1810
2011-04-23
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1808
2011-04-23
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1807
2011-04-23
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1804
2011-04-23
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1800
2011-04-20
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1801
2011-04-20
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1799
2011-04-20
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1796
2011-04-20
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1794
2011-04-20
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1793
2011-04-20
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1788
2011-04-20
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1787
2011-04-20
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1783
2011-04-15
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1771
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1770
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1769
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1768
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1767
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1766
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1765
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1764
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1763
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1762
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1760
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1759
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1758
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1756
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1753
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1752
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1749
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1748
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1747
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1746
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1745
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1743
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1742
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1741
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1739
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1738
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1737
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1736
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1735
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1734
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1733
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1732
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1731
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1730
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1729
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1728
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1727
2011-04-14
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1723
2011-04-12
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1721
2011-04-11
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1720
2011-04-11
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1716
2011-04-11
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1713
2011-04-10
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1711
2011-04-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1710
2011-04-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1706
2011-04-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1704
2011-04-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1703
2011-04-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1702
2011-04-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1701
2011-04-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1699
2011-04-09
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1697
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1696
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1695
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1694
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1693
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1692
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1691
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1690
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1689
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1687
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1685
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1684
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1683
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1682
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1681
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1679
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1677
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1675
2011-04-06
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1673
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1672
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1671
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1670
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1669
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1668
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1667
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1666
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1665
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1663
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1662
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1661
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1660
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1659
2011-04-05
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1657
2011-04-04
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1656
2011-04-04
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1655
2011-04-04
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1654
2011-04-04
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1653
2011-04-04
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1651
2011-04-03
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1650
2011-04-03
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1649
2011-04-03
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1648
2011-04-03
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1645
2011-04-02
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1643
2011-04-02
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1642
2011-04-02
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1640
2011-04-02
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1638
2011-04-02
weekly
0.8
http://www.188pipe.com/productshow.asp?id=1636
2011-04-02
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2011-03-24
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2011-03-24
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