EMC is a comprehensive assessment of an electronic product’s electromagnetic interference (EMI) level and electromagnetic susceptibility (EMS) capability. It serves as a critical benchmark for evaluating product quality.
JJR has established independent and fully-equipped testing systems in Shenzhen, Dongguan, and Ningbo, boasting the following advantages:
Our testing instruments are advanced and complete, all manufactured and commissioned by renowned international companies in the industry, including Rohde & Schwarz (Germany), EM TEST (Switzerland), HAEFELY (Switzerland), TDK (Japan), and HP (USA).

Our technical team is composed of seasoned and efficient professionals and expert consultants with years of experience in emc testing, troubleshooting, and certification. We provide one-stop services for enterprises, covering the entire process from PCB layout, circuit parameter calculation, and component specification selection to complete machine system integration, product testing, troubleshooting, and certification.
CISPR11, CISPR15, CISPR32, CISPR35, CISPR14-1, CISPR14-2, EN55011,
EN55015, en55032, EN55035, EN55014-1, EN55014-2, EN50412-2-1, EN62040-2, en50155, EN55014-2, EN50121-3-2,
EN50121-4, EN50130-4, EN50121-3-2, EN300 386, J55013, J55014.1, J55015, J55032, fcc part 15, fcc part 18,
VCCI-CISPR 32, AS/NZS CISPR11, AS/NZS CISPR14.1, AS/NZS CISPR15,
AS/NZS CISPR32, GB4824, GB9254, GB13837, GB17743, GB4343.1, GB7260.2, GB17625.1,
GB17625.2, GB/T9383, GB/T17618, GB/T24338.4, GB/T18595, GB/T18268, GB/T17799.1, GB/T17799.3, GB/T17799.2,
GB/T17799.4, GB/T24338.5, GD22,
IEC/EN61547, IEC/EN61326, IEC/EN60601-1-2, IEC/en61000-6-1, IEC/EN61000-6-2, IEC/EN61000-6-3, IEC/EN61000-6-4,
IEC/EN61000-3-2, IEC/EN61000-2-2, IEC/EN61000-3-3, IEC/EN62040-2, TB/T3034, IEC62236-3-2, IEC62236-4
IEC/EN61000-4-2, GB/T17626.2, IEC/EN61000-4-4, GB/T17626.4, IEC/EN61000-4-6, GB/T17626.6,
IEC/EN61000-4-11, GB/T17626.11, IEC/EN61000-4-3, GB/T17626.3, IEC/EN61000-4-5, GB/T17626.5,
IEC/EN61000-4-8, GB/T17626.8, IEC/EN61000-4-12, IEC/en 61000-4-13, IEC/EN61000-4-14, IEC/EN61000-4-17,
IEC/EN61000-4-28, IEC/EN61000-4-29, IEC/EN61000-4-34
EN300 220, EN300 328, EN300 422-1/2, EN300 440-1/2, EN301 357-1/2, EN301 489-1/-3/-9/-17, EN301 489-8/17/24/53,
EN300 330, EN 303 340, EN303 345, EN303 372-2, EN301 893, EN301 511, EN301 908-1/-2/-13, EN302 291, EN302 208,
EN302 502, RSS-210, RSS-247, RSS-GEN, ARIB-STD-T66, AS/NZS 4268, fcc 47 cfr part 15C, EN 301908-24/25
FCC OET BULLETIN 65 SUPPLEMENT C; IEEE1528; RSS-102, ANSI C95.1, EN50566, EN50360,
EN62311, EN62209-1, EN62209-2, en62479, EN50663, EN50665
CISPR12, CISPR25, ISO 11452-1/-2/-4/-5/-6/-7/-8/-9, ISO 10605,
GB/T19951, GB/T18387, GB/T17619, GB/T18655, GB/T21437.1/.2/.3, GB/T14023, ECE R10
Mandatory Standard for Portable Power Banks GB 473
ISO 10993-10 In Vitro Skin Sensitization Test Serv
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How to Perform a Valid CCK-8 Cytotoxicity Assay
Introduction to Cytotoxicity Assay (CCK-8 Method)
What Are the Cytotoxicity Assay Methods?
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What is UL 153 Lighting Standards and Portable Lum
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