Sandvik DD421 Development Jumbo from China
Twin boom electro-hydraulic jumbo exported for underground mine development contracting. Used for production drilling in gold mines, returned after stope preparation. 9801.00.65 classification.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Log drill meters advanced; track bit consumption rates; ensure hydraulic system pressure tests match export specs