Sonnen once again is listed on the Approval Supplier List for China’s General Administration of Quality Supervision, Inspection and Quarantine.
Sonnen’s Fully Automatic Kjeldahl Azotometer won the Science and Technology Achievement Certificate of Henan Province, China.
Sonnen was awarded for 6 Software Copyright Certification of the related products issued by China’s National Copyright Administration.
Sonnen was listed on the Approval Supplier List for China’s General Administration of Quality Supervision, Inspection and Quarantine.
Sonnen was awarded a series of Software Copyright National Certificate for the related products.
Sonnen was invited be the Quality and Technical Supervision Bureau of Hebei Province, China to participate the draft of the Measuring Calibration Specification for Azotometer.
Sonnen developed the first high-efficiency bag-filter fiber determinator and fat determinator in China.
Sonnen resolved another worldwide problem that the apparatus recycling rate of the high nitrogen chemical product was always under requirement.
Sonnen successfully resolved the worldwide problem that the chemical nitrate nitrogen could not be automatically detected by any apparatus, and was invited to participate the draft of the related international standard.
Sonnen was invited to participate the establishing of China’s National Standard GB/T22923-2008 for the Determination Method of Chemical Fertilizer.
Sonnen won the competition of the determination comparison with the import apparatus, with three rounds comparative determination results of the determination recycling rate of 99.1%, 99.2% and 99.2%. While the recycling rate results of FOSS K2300 were 99.1%, 99.2% and 99.1%, results of those azotom
Sonnen, after FOSS, Denmark, became the second in the world and the first manufacturer in China, who successfully manufactured the fully automatic azotometer, using the color sensor to determine the end of tiltration.
