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Guangzhou Ruiju E-Commerce Co., Ltd.
What sample documents should I receive before approving mass production?
Approve the specification, inspection and functional test records, customization, packaging, quality plan, and applicable CE certificates before mass production........
How are custom engineering changes documented and approved?
OEM/ODM requirements define custom UV/LED lamp changes, verified by incoming, finished-product, and pre-shipment inspections; no formal approval workflow is specified........
Who pays international shipping for warranty replacement parts?
International warranty shipping responsibility is not specified. Confirm freight terms with UBEMAY after verifying the quality issue and replacement part........
What maintenance schedule helps preserve the lamp's curing performance?
Use regular documented functional checks; no fixed service interval is provided. Monitor curing consistency and seek technical support for changes........
