The tariff classification of roller heads and steel tubes from China.
The tariff classification and country of origin marking of steel pipe from China
The tariff classification of ERW pipe from Mexico
The tariff classification of basalt lined steel pipe from England.
The tariff classification of steel pipe from Thailand.
The tariff classification of steel pipes from Turkey.
The tariff classification of steel pipe from Mexico
Internal Advice Request; Eligibility of piping spools for preferential duty treatment under NAFTA and marking as goods of Mexico.
The tariff classification and country of origin of steel pipe from Vietnam