Core Technical Team


President: Ms Li Lihua

President: Ms Li Lihua


▶ Vice Chief Engineer in the Testing Center of Luoyang City Quality Supervision Bureau.

▶ In 2005, be in charge of the technical team and successfully and independently developed the automatic Kjeldahl Nitrogen Analyzer in China.

▶ In 2008, won the test competition organized by China National Fertilizer Testing Center, and then participated the draft of China National Standard GB/T22923.

▶ In 2011, independently developed the Ammonia Nitrogen On-line Detector and COD On-line Detector.

▶ In 2011, developed the intelligent muti-function color-method titrator with also potentiometric method available, which is widely applied for acid-base titration, oxidation reduction titration, precipitation titration, complexometric titration and non-aqueous titration, and also for PH measurement.

Chief Technical Engineer: Mr. Tian Wenge


▶ Senior Engineer, graduated from Northwest University of Technology, major in Electrical Engineering, Master’s Degree.

▶ 24 years developing experience of the testing system and products, being familiar with the developing and applying of the large scale integrated circuit and embedded system such as DSP, FPGA, PADS and etc;knowing well of the software programming of Assembly Language, Visual C++, VHDL Language.

▶ Being in charge of the developing of the Automatic On-line Analyzer, Data Collecting and Controlling, Ground Test Equipment, Bluetooth Wireless Communication Module and etc.

▶ From 1993 to 2003, being the Chief Engineer at a Key Department of a China Missile Research Institute.

▶ In 1996, got the Second Prize in Science and Technology Achievement of China Air-to-air Missile Research Institute, for the developing of certain type of missile.

▶ In 2005, got the Second Prize in Science and Technology Achievement of Ministry of Aviation Industry, for the developing of certain type of missile.

▶ In 2008, got the First Prize in Science and Technology Achievement of China Air-to-▶▶air Missile Research Institute, for the developing of certain type of missile.

▶ In 2011, got the Second Prize in Science and Technology Achievement of Ministry of Aviation Industry, for the developing of certain type of missile.

▶ In 2012, joined in Sonnen, and has been in charge of general designation of various testing apparatus.

Chief Technical Engineer: Mr. Tian Wenge
Technical Consultant: Mr. Li Shuguang

Technical Consultant: Mr. Li Shuguang


▶ Chemical Doctor of University of Twente in Netherlands

▶ Post-Doctor of Gkss ( GKSS Forschungszentrum Geesthacht ) Institute, German

▶ Guest Scientist of National Institute for Materials and Chemistry, Japan

▶ Postdoctoral Supervisor of Dalian Institute of Chemical Physics, Chinese Academy of Science

▶ More than 20 years research in physical chemistry has won Mr Li Shuguang multiple international patents.

▶ In 1999, be selected as one of the first 19 scientists of Chinese Academy of Science’s One-hundred Outstanding Chinese Young Scientists.

▶ One of the Changjiang Scholars (China’s Changjiang Scholars Program)

▶ The first in the world who clearly put forward the general gel mechanism of amorphous polymer ternary system.

▶ Taking the international lead in the invention of membrane technology of the Tee Nozzle.

▶ Be in charge of and lead the develop of multiple first-industrial-device, both China domestic and international.

▶ Be in charge of the develop of the organic steam flat film production line, which is the only one in China and the third in the world.

▶ First invention of multiple analyzing, monitoring and testing equipment in China.

Technical Engineers


If you have any questions, please contact us via email or telephone and we will get back to you as soon as possible. We look forward to hearing from you.

Mr. Rui Yanjie:

Mr. Rui Yanjie:

Senior Maintenance Electrician; Graduated from Northwestern Polytechnical University, Bachelor’s Degree; Complete the DCS Training Course of Zhejiang University SUPCON 21-year’s professional experience in electric industry; Joined in Sonnen’s team for 3 years, and mainly focus on electric industry; Finished the DCS system debugging and configuration of the production line of the 2500T/D and 5000T/D;
Mr. Zhang Yonggang

Mr. Zhang Yonggang

Chemical Process Engineer; Graduated from Henan University of Engineering, major in Polymer Materials and Engineering; 18-year’s working experience in related industry; Joined Sonnen’s team for 4 years, and skilled in the field of chemical process, chemical examination, mechanical design, PC operation and etc. In 2008, published the article the Orientation and Crystal During the Production of Biaxially Oriented Polypropylene in the China national chemical education academic journal Chemical Education;
Mr. Chen Hao

Mr. Chen Hao

Graduated from Henan University of Science and Technology, Major in Electric Automatization. 25-year’s professional experience in the production and management of electronics and electrical appliances. Joined Sonnen’s team for 4 years and mainly focus on production and maintenance.
Mr. Zhang Shaobo

Mr. Zhang Shaobo

Graduated from Henan Polytechnic University. 30-year’s professional experience in the installation of electric instrument. Joined Sonnen’s team for 6 years and mainly focus on production and maintenance.
Mr. Zhang Yanshan

Mr. Zhang Yanshan

Graduated from Luoyang Normal University, Major in Electric Computer Science. 5-year’s professional experience in the production of electronics and electrical appliances. Joined Sonnen’s team for 4 years and mainly focus on production and maintenance.
Ms. Zhao Yarui

Ms. Zhao Yarui

Graduated from Henan University of Urban Construction, Major in Chemical Engineering and Technology. 5-year’s professional experience in the production and debugging. Joined Sonnen’s team for 2 years and mainly focus on debugging and maintenance. Got a special quality certification from one of Sonnen’s client Mengniu
Mr. Du He

Mr. Du He

Graduated from Henan University of Science and Technology, Major in Food and Bioprocess Engineering. 5-year’s professional experience in the production and debugging. Joined Sonnen’s team for 2 years and mainly focus on debugging and maintenance. Got a special quality certification from one of Sonnen’s client Mengniu