China's JJR is a leading Electrical Testing laboratory, equipped with internationally advanced facilities, including:
- One 10-meter method anechoic chamber and one 5-meter method anechoic chamber for electromagnetic wave testing,
- One antenna performance testing chamber (OTA),
- Two 3-meter method anechoic chambers,
- One sar laboratory,
- One high-definition digital television laboratory,
- One photovoltaic cell (PV) certification testing laboratory,
- One Bluetooth product certification testing room,
- A fully compliant rohs laboratory,
- A well-established safety laboratory,
- Comprehensive environmental and reliability testing facilities,
- A state-of-the-art performance testing room that aligns with international standards.

In August 2004, JJR successfully established an international model certification testing facility for GSM/GPRS mobile communication terminal products, achieving world-class standards. JJR is one of China's most comprehensive testing laboratories.
- Conducts testing for National Compulsory Product Certification (3C) and CQC voluntary product certification.
- Provides international certification testing and training services for various countries, including:
CE, CB, fcc, VCCI, PSE, UL, ETL, MET, E-Mark, FDA, C-Tick, TUV, NEMKO, GCF, CDG, SASO, PTCRB, cec, MEPS, VDE, among others.
- Offers testing and inspection services for a wide range of products, such as:
electronics, electrical appliances, information technology, lighting, telecommunications, industrial medical devices, solar photovoltaic modules, automotive electronics, toys, and more.
- Safety testing,
- Electromagnetic Compatibility (EMC) testing,
- Hazardous substance detection (RoHS),
- Environmental and reliability testing,
- Energy efficiency testing,
- Import/export inspection and verification services.
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