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Jinghuan Professional Acoustic Sound Isolation Room Production Line Soundproof Room. Customizable Design: Offers full customization including shape, color, and size to meet specific needs. ISO Certified Quality: Manufactured with ISO certification ensuring high standards and reliability. Versatile Application: Ideal for noise testing of small products in production line workshops. Low Noise Performance: Designed as a small low-noise box for accurate acoustic testing. Flexible Customization: Supports customization from samples, designs, and minor adjustments. New Condition Guarantee: Products are delivered in brand new condition with provided inspection videos.