Technical services for accurate measurement and verification of various physical quantities. Physical quantities include length, mass, temperature, current, voltage, frequency, optics and so on. Rugao Yinhe Metrology Testing Co., Ltd. was established in February 2065438+2006, and its business scope includes measuring instrument testing service, quality system certification service, special equipment testing service, environmental testing service, fire-fighting equipment testing, maintenance, experimental equipment, experimental equipment sales and after-sales service.