·GMPC （ISO22716） is a quality management system standard for the cosmetic industry to ensure the safety and hygiene of the cosmetic production process, prevent pollution, and improve product quality.

·ISO9001 is an international quality management system standard that embodies management philosophy and quality management methods and is widely adopted around the world.

·EFfCI is the European association for the cosmetic ingredients industry, which issues GMP certification standards and provides operational tools for raw material manufacturers.

·HALAL certification is the certification of foods, medicines, cosmetics, etc. that meet the lifestyle and needs of Muslims, ensuring that products are legal and comply with religious regulations.

These standards and certifications jointly guarantee the quality and safety of Letop Bio-cosmetics and food raw materials.