Grand Hoyo has strict quality management system, and was certified by ISO9001, ISO22000,FSSC22000,Kosher, Halal, MUI Halal, China GMP & EU GMP. Our products conform to CP, USP, AJI, BP, EP, FCC and customer standards. We have several large-scale production lines in our GMP workshops, which comply with class100,000 of the international GMP requirements.

Quality assurance departments are equipped with advanced analytical and testing instruments (such as Fourier transform infrared spectrometer, high performance liquid chromatography, etc.), which provide a strong backing for the production of high-quality products.