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Sunny Optical Technology
Manufacturer / factory · Zhejiang · Est. 1984
Main products: Camera lenses and modules for phones and vehicles, optical instruments
Unclaimed · public record
Not yet claimed
View profileInstruments & Meters manufacturers in China
Shenzhen, Suzhou and Dongguan produce electronic test instruments; Shanghai and Beijing lab equipment; Zhejiang (Hangzhou) optics; Jiangsu and Shandong industrial gauges and flow meters. Chinese instruments offer strong price-performance; calibration certificates and documentation quality separate good suppliers from the rest.
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Uni-Trend Technology (UNI-T)
Manufacturer / factory · Guangdong · Est. 1988
Main products: Multimeters, clamp meters, thermal imagers, oscilloscopes
Unclaimed · public record
Not yet claimed
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RIGOL Technologies
Manufacturer / factory · Jiangsu · Est. 1998
Main products: Oscilloscopes, spectrum analyzers, signal generators
Unclaimed · public record
Not yet claimed
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Siglent Technologies
Manufacturer / factory · Guangdong · Est. 2002
Main products: Oscilloscopes, power supplies, multimeters, spectrum analyzers
Unclaimed · public record
Not yet claimed
View profileBuying guide: Instruments & Meters from China
Reputable makers supply factory calibration certificates traceable to national standards (CNAS); for regulated uses, budget for US re-calibration (NIST-traceable). Ask whether the manufacturer’s lab is ISO/IEC 17025 accredited.
Mains-powered instruments: UL/ETL or at least IEC 61010 CB report; EMC FCC Part 15B. Laser products: FDA CDRH accession number (21 CFR 1040) for lasers sold in the US.
Instruments often sell at MOQ 1–10 units with 1–3 year warranties; private-label programs start at 50–100 units.