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China Ceramic Mating Sleeve from Japan

A zirconia-based ceramic mating sleeve of china porcelain, 2mm internal diameter and 20mm length, designed to align and secure two fiber optic ferrules in high-density connectors. Fired porcelain construction meets Chapter 69 requirements for nonmetallic inorganic ceramics with low water absorption.

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%

Import Tips

Include technical drawings showing fiber channel opening and exact measurements for Customs verification

Test and certify water absorption <0.5% per ASTM C373 to confirm porcelain/china status under U.S. notes

Avoid bulk packaging that suggests parts for assembly abroad, which could trigger anti-dumping scrutiny