Copper Naphthenate Treated Fir Transmission Poles from China
Fir wood poles treated with copper naphthenate preservative for high-voltage electrical transmission, coniferous and roughly squared. HTS 4403.11.0020 designation for these utility-specific treated poles ensures accurate duty assessment. Effective against copper-tolerant fungi.
Duty Rate — China → United States
35%
Rate breakdown
9903.76.0110%Softwood timber and lumber products provided for in subdivision (b) of U.S. note 37 of this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide AWS or ASTM treatment specs to validate classification and quality
• Segregate from non-utility posts; mixed shipments invite audits
• Update CITES docs if any restricted coniferous species inadvertently included