In July 2013, Chongqing City Fertilizer Inspection Station purchased Sonnen’s K06C nitrogen analyzer and X20A digestor, which have been functioning well ever since. And Chongqing City Fertilizer Inspection Station found Sonnen’s apparatus so satisfactory that they recommend Sonnen to Chongqing City

Sonnen’s typical K12B nitrogen analyzer was purchased in May 2016, and has been functioning well ever since.

Gansu Nonferrous Metals Geological Survey Bureau is one of Sonnen’s faithful clients. In July, 2016, Gansu Nonferrous has purchased a batch of Sonnen’s corollary products, including the K1305B Nitrogen Analyzer, T11 Titration System, X42A Digestion Meter. And they have got great satisfaction with So

In 2014, Sonnen’s T03 titrator and K06 nitrogen analyzer was purchased by and started to serve in the Inner Mongolia Vegetable Pathology Center.The lab operator said that they generally determined over 1000 samples for one semester(about 100 days), and under such heavy daily duty, Sonnen’s K06 has a