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8515.29.00.00/Sunstone Micro Weld 300DS/Japan

Sunstone Micro Weld 300DS from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Document microsecond pulse control capabilities to justify precision resistance classification

• Include programmable weld schedule data showing energy regulation under 300 joules