The Tariff Classification of Electrical Transmission Towers from Canada. Based on your submitted literature and description, the transmission towers are constructed of steel angles and plates of various dimensions as specified by the customer. The raw material undergoes numerous manufacturing processes in becoming the finished tower. These processes include sawing, bending, punching, burning, drilling, welding, grinding and galvanizing.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/K80493