We Focus On Sensors, Systems & Service
Founded in 2010, ROTRO Instruments Technology Co., Ltd. (Suzhou) is a long-term authorized partner of Vaisala, one of the world's leading manufacturers of environmental and industrial measurement instruments.
Headquartered in Suzhou, China, we provide the full range of Vaisala measurement solutions β COβ probes, humidity and dew point transmitters, handheld meters, and process refractometers β along with continuous monitoring systems (CMS), validation services, and CNAS L12399 accredited calibration with ILAC-MRA international recognition.
Over 16 years, we have earned the trust of 500+ clients across pharmaceutical, semiconductor, food & beverage, and industrial manufacturing sectors, delivering reliable measurement solutions and responsive local support.
China National Accreditation Service for Conformity Assessment β accredited calibration laboratory
International Laboratory Accreditation Cooperation β Mutual Recognition Arrangement. Certificates accepted worldwide.
Long-term authorized distributor and service partner for Vaisala Oyj, Finland.
16+ years focused on measurement technology. Our engineers understand your application β from GxP pharma compliance to industrial process control.
Local team in Suzhou. 4006-123-993 hotline. On-site service and rapid technical support when you need it.
100% genuine Vaisala products with factory-direct traceability. CNAS-accredited calibration with internationally recognized certificates.
We measure success by the lasting relationships we build. 500+ clients have been with us for years.