1/14/1992 The tariff classification of galvanized steel elbows andnipples from the People's Republic of China. 6/29/2007 The tariff classification of electrical conduit pipe, conduit elbows and conduit bends from China. 6/20/2012 The tariff classification and NAFTA eligibility of steel tube fitting forgings from Mexico 8/27/2010 The tariff classification of steel tube fitting body blanks and finished fittings from China and Canada