The Premium Quality


Top quality without compromises is the most important principle of Guan Hong. During the multi year long fermentation period, the entire process is precisely controlled. Guan Hong has the ISO22000 & HACCP certifications. Guan Hong has a strict food safety management system and a systematic preventive approach to food safety from biological, chemical, and physical hazards in the production process, which ensures the finished product to be safe.


Guan Hong also holds the certification of TIPS from Taiwan, which ensures that the intelligent properties are fully protected. This is especially important for OEM/ODM customers.



Quality Assurance


For quality assurance, the products are tested by SGS (testing and certification company headquartered in Geneva, Switzerland). Following test results have been reported on QYZ products:


- Tests for no pesticide residues → 202 items

- No heavy metals testing → 5 main items

- Functional Enzyme  → no western medicine detection: 112 items


In Germany our products are checked again in by the accredited testing laboratory Intertek on microbiology, heavy metals and more than 500 pesticides.


With regard to the parameters investigated all requirements of Regulation (EC) 1881/2006 on food supplements as well as the legal regulations (EC Regulation 396/2005 (as of 10.16.2014)) complied.


This is the result of our strict quality control and gives you application security.