Acoustic test environments · Custom non-standard · Global delivery

Engineering every decibel of quiet for the world's leading manufacturers

Shanghai JINXIU specializes in custom non-standard static rooms, anechoic chambers, and electronic test fixtures. Since 2012, we have served leading manufacturers including Apple, TSMC, Foxconn, Luxshare, and BYD, with products delivered to Thailand, Vietnam, India, the United States, and Mexico.

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≤ 30 dBA industrial-grade quiet

2012

Founded

15+

Leading clients

Tens of millions

Overseas revenue

RMB 18B

Static-room market 2025

Trusted by

Partners

Sustained, long-term partnerships with numerous Fortune 500 and leading electronics manufacturers

Why Jinxiu

Four reasons to choose us

R&D, manufacturing, and sales under one roof — perfecting every decibel

R&D strength

A dedicated R&D team drives continuous innovation and mastery of core electronics technology, delivering stable, reliable product performance.

Quality control

Standardized production and rigorous inspection processes control every stage from raw material to finished product, ensuring consistent quality.

Production & delivery

A mature supply chain and scaled production capacity ensure stable lead times, fast response, and the ability to meet high-volume demand.

Service assurance

One-stop pre-sales consultation, in-process support, and after-sales follow-up deliver fast response and end-to-end solutions for every client.

Products

Four product lines spanning acoustic test environments to electronic test fixtures

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Acoustic products

Static room

A "room-in-room" sound-insulation design that brings the background noise below 30 dB / 20 NC even with HVAC and fans running, for the silent testing of electronic components.

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Acoustic products

Inline static room (production-line)

A static room embedded in the production line so products are tested as they travel through, achieving the client's required background noise even within a noisy workshop.

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Acoustic products

Anechoic chamber

Full and semi-anechoic chambers with anechoic wedges that create an artificial free sound field, meeting the precision acoustic measurement requirements of ISO 3745 and GB 6882.

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Acoustic products

Soundproof box

A heavy-core plus lightweight composite floating vibration-isolation structure that gives the device under test a clean environment for noise measurement.

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PCBs / Test cards

HDMI test card

Tests the connectivity and signal transmission of the 19-pin HDMI interface, with optional integrated ESD protection and support for male-to-female adaptation.

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