Broadcast Tower Tubular Diaphragm from Mexico
Ring-shaped tubular steel diaphragms providing horizontal stiffening in FM broadcast lattice towers. They are bolted assembly components designed for sectional tower construction, falling under tariff item 7308.20.00 as parts of towers.
Duty Rate — Mexico → Canada
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- GAC
Steel · Required
Global Affairs Canada: GAC Steel (Carbon Steel) requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Starts With 7308).
CBSA Single Window matching criteria, unknown
Import Tips
• Confirm the diaphragms are specifically designed for tower stiffening and provide CBSA with engineering drawings
• If importing as part of a complete tower kit, ensure the kit is classified as a whole tower
• Keep records of the steel grade and fabrication for customs verification