Fertilizer products obtained the "Fertilizer Registration Certificate" shall own at least two batches of qualified product testing report (that is, product annual quality detection report) each year. This report can be used in the renewal of registration, but also can be used for other projects of the company, is the reflection of product quality. Our company arranges annual quality detection for enterprises, and selects authoritative testing institutions with CMA qualification certification above the provincial level for quality testing to ensure the quality and authenticity of the report.