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CONTENT   MAIN • Home • About JINDA • How holograms could be used • Products & Services • Materials for holographic labels • Award • Principle • Exhibition • Contact Us • SCRATCH & TRACE   PRINCIPLE 1. We do not duplicate any masters according to the existing hologram. 2. If there is a register mark ® or ™ in the hologram, a registered certificate copy issued by Government must be provided before mastering.