Sunstone Micro Weld 300DS from Mexico
Sunstone Micro Weld 300DS is a precision resistance micro welder for battery tab welding and jewelry applications. It delivers controlled low-energy pulses for delicate materials without burn-through. Classified under HTS 8515.29.00.00 as other resistance welding apparatus.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document microsecond pulse control capabilities to justify precision resistance classification
• Include programmable weld schedule data showing energy regulation under 300 joules