Global certification guarantees that the product is safe to eat, produced under controlled conditions and in the production process, special attention paid to environmental protection. Certificate also confirms that in the process of production of agricultural products comply with hygiene standards and that employees working in adequate conditions. Thus disinfect crates in which the mandarin picking and transportation funds, and workers are finding it necessary to disinfect hands. In addition, the certification shall be kept of the date of application of pesticide, its active ingredients, trade names, reasons for use, and most importantly the amount of pesticide per unit area.