Quality Control TUHO Lighting checks each key stage from materials to final shipment, helping customers receive automotive lighting products with controlled performance, clear specifications, and market-ready packaging. Quality Inspection Process Contact Us Raw Material InspectionLED chips, drivers, housings, heat sinks, wires, and packaging materials are checked before production. 01 Core Component Pre-ProcessingKey components are prepared and verified before assembly. 02 Semi-Finished Product AssemblyParts are assembled with attention to structure, wiring, and component fit. 03 Aging TestProducts are powered for testing to check working status and early failure risks. 04 Extreme Temperature TestSelected products are tested under high and low temperature conditions. 05 Lumen TestBrightness output and basic optical performance are measured. 06 Waterproof TestSealing performance is checked for rain, splash, and outdoor use. 07 Final AssemblyProducts are completed with housing fitting, wiring, labels, and appearance checks. 08 Full InspectionFinished products are inspected for function, appearance, labeling, and specifications. 09 Packaging & WarehousingQualified products are packed, labeled, and stored by order and SKU. 10 Order DeliveryCarton marking, packing lists, and shipment details are confirmed before delivery. 11 After-Sales SupportWe provide order follow-up, product feedback handling, and long-term cooperation support. 12