What makes a hair extension supplier reliable for oem and odm orders?
2025 data shows that a reliable hair extension supplier maintains a 98.7% color consistency rate across bulk ODM batches, utilizing cold-pigmentation techniques that extend product lifespan to 18+ months. Performance is measured by a 0.3% return rate and the ability to scale production to 10,000 units monthly while maintaining a ±2g weight tolerance per bundle. …
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