Spring Steel Umbrella Springs from China
Coiled spring steel mechanisms inside umbrella runners of 6601/6602 that provide automatic opening tension. Critical for one-touch operation. Classified under 6603.90.81.00 as metal parts.
Duty Rate — China → United States
17.7%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Calibrate tension ratings matching consumer safety standards
• Oil springs lightly before packing to prevent rust
• Provide failure rate data for liability during import review