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Talk to a SpecialistTalk to a SpecialistBased on limited metadata, Dongguan Rainbow Tech Electronic & Plastic Products Co., Ltd., a manufacturer of electronic and plastic devices, received an FDA Warning Letter on October 7, 2025, citing four violations. Without access to the full letter text or subject line, the specific nature of these violations cannot be determined from the available information. The warning pertains to FDA-regulated devices, though the specific issuing office and product category details are not available in this metadata.