China Quality Certification Center is more authoritative, because China Quality Certification Center has been ranked iso domestic system quality certification top 10. Hangzhou GRIT Certification Co., Ltd (GRIT or GRIT for short) was established in 2015, is approved by the National Commission for Certification (CNCA) administrative license, according to the law of industrial and commercial registration, engaged in the certification of food and agricultural products and training of professional organizations.